/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Ajax.org B.V. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ***** END LICENSE BLOCK ***** */

/**
 * Define a module along with a payload
 * @param module a name for the payload
 * @param payload a function to call with (require, exports, module) params
 */

(function() {

    var ACE_NAMESPACE = "";

    var global = (function() { return this; })();
    if (!global && typeof window != "undefined") global = window; // strict mode


    if (!ACE_NAMESPACE && typeof requirejs !== "undefined")
        return;


    var define = function(module, deps, payload) {
        if (typeof module !== "string") {
            if (define.original)
                define.original.apply(this, arguments);
            else {
                console.error("dropping module because define wasn\'t a string.");
                console.trace();
            }
            return;
        }
        if (arguments.length == 2)
            payload = deps;
        if (!define.modules[module]) {
            define.payloads[module] = payload;
            define.modules[module] = null;
        }
    };

    define.modules = {};
    define.payloads = {};

    /**
     * Get at functionality define()ed using the function above
     */
    var _require = function(parentId, module, callback) {
        if (typeof module === "string") {
            var payload = lookup(parentId, module);
            if (payload != undefined) {
                callback && callback();
                return payload;
            }
        } else if (Object.prototype.toString.call(module) === "[object Array]") {
            var params = [];
            for (var i = 0, l = module.length; i < l; ++i) {
                var dep = lookup(parentId, module[i]);
                if (dep == undefined && require.original)
                    return;
                params.push(dep);
            }
            return callback && callback.apply(null, params) || true;
        }
    };

    var require = function(module, callback) {
        var packagedModule = _require("", module, callback);
        if (packagedModule == undefined && require.original)
            return require.original.apply(this, arguments);
        return packagedModule;
    };

    var normalizeModule = function(parentId, moduleName) {
        // normalize plugin requires
        if (moduleName.indexOf("!") !== -1) {
            var chunks = moduleName.split("!");
            return normalizeModule(parentId, chunks[0]) + "!" + normalizeModule(parentId, chunks[1]);
        }
        // normalize relative requires
        if (moduleName.charAt(0) == ".") {
            var base = parentId.split("/").slice(0, -1).join("/");
            moduleName = base + "/" + moduleName;

            while(moduleName.indexOf(".") !== -1 && previous != moduleName) {
                var previous = moduleName;
                moduleName = moduleName.replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
            }
        }
        return moduleName;
    };

    /**
     * Internal function to lookup moduleNames and resolve them by calling the
     * definition function if needed.
     */
    var lookup = function(parentId, moduleName) {
        moduleName = normalizeModule(parentId, moduleName);

        var module = define.modules[moduleName];
        if (!module) {
            module = define.payloads[moduleName];
            if (typeof module === 'function') {
                var exports = {};
                var mod = {
                    id: moduleName,
                    uri: '',
                    exports: exports,
                    packaged: true
                };

                var req = function(module, callback) {
                    return _require(moduleName, module, callback);
                };

                var returnValue = module(req, exports, mod);
                exports = returnValue || mod.exports;
                define.modules[moduleName] = exports;
                delete define.payloads[moduleName];
            }
            module = define.modules[moduleName] = exports || module;
        }
        return module;
    };

    function exportAce(ns) {
        var root = global;
        if (ns) {
            if (!global[ns])
                global[ns] = {};
            root = global[ns];
        }

        if (!root.define || !root.define.packaged) {
            define.original = root.define;
            root.define = define;
            root.define.packaged = true;
        }

        if (!root.require || !root.require.packaged) {
            require.original = root.require;
            root.require = require;
            root.require.packaged = true;
        }
    }

    exportAce(ACE_NAMESPACE);

})();

define("ace/lib/es6-shim",["require","exports","module"], function (require, exports, module) {
    function defineProp(obj, name, val) {
        Object.defineProperty(obj, name, {
            value: val,
            enumerable: false,
            writable: true,
            configurable: true
        });
    }
    if (!String.prototype.startsWith) {
        defineProp(
            String.prototype,
            "startsWith",
            function (searchString, position) {
                position = position || 0;
                return this.lastIndexOf(searchString, position) === position;
            }
        );
    }
    if (!String.prototype.endsWith) {
        defineProp(String.prototype, "endsWith", function (searchString, position) {
            var subjectString = this;
            if (position === undefined || position > subjectString.length) {
                position = subjectString.length;
            }
            position -= searchString.length;
            var lastIndex = subjectString.indexOf(searchString, position);
            return lastIndex !== -1 && lastIndex === position;
        });
    }
    if (!String.prototype.repeat) {
        defineProp(String.prototype, "repeat", function (count) {
            var result = "";
            var string = this;
            while (count > 0) {
                if (count & 1) result += string;

                if ((count >>= 1)) string += string;
            }
            return result;
        });
    }
    if (!String.prototype.includes) {
        defineProp(String.prototype, "includes", function (str, position) {
            return this.indexOf(str, position) != -1;
        });
    }
    if (!Object.assign) {
        Object.assign = function (target) {
            if (target === undefined || target === null) {
                throw new TypeError("Cannot convert undefined or null to object");
            }

            var output = Object(target);
            for (var index = 1; index < arguments.length; index++) {
                var source = arguments[index];
                if (source !== undefined && source !== null) {
                    Object.keys(source).forEach(function (key) {
                        output[key] = source[key];
                    });
                }
            }
            return output;
        };
    }
    if (!Object.values) {
        Object.values = function (o) {
            return Object.keys(o).map(function (k) {
                return o[k];
            });
        };
    }
    if (!Array.prototype.find) {
        defineProp(Array.prototype, "find", function (predicate) {
            var len = this.length;
            var thisArg = arguments[1];
            for (var k = 0; k < len; k++) {
                var kValue = this[k];
                if (predicate.call(thisArg, kValue, k, this)) {
                    return kValue;
                }
            }
        });
    }
    if (!Array.prototype.findIndex) {
        defineProp(Array.prototype, "findIndex", function (predicate) {
            var len = this.length;
            var thisArg = arguments[1];
            for (var k = 0; k < len; k++) {
                var kValue = this[k];
                if (predicate.call(thisArg, kValue, k, this)) {
                    return k;
                }
            }
        });
    }
    if (!Array.prototype.includes) {
        defineProp(Array.prototype, "includes", function (item, position) {
            return this.indexOf(item, position) != -1;
        });
    }
    if (!Array.prototype.fill) {
        defineProp(Array.prototype, "fill", function (value) {
            var O = this;
            var len = O.length >>> 0;
            var start = arguments[1];
            var relativeStart = start >> 0;
            var k =
                relativeStart < 0
                    ? Math.max(len + relativeStart, 0)
                    : Math.min(relativeStart, len);
            var end = arguments[2];
            var relativeEnd = end === undefined ? len : end >> 0;
            var final =
                relativeEnd < 0
                    ? Math.max(len + relativeEnd, 0)
                    : Math.min(relativeEnd, len);
            while (k < final) {
                O[k] = value;
                k++;
            }
            return O;
        });
    }
    if (!Array.of) {
        defineProp(Array, "of", function () {
            return Array.prototype.slice.call(arguments);
        });
    }
});

define("ace/lib/fixoldbrowsers",["require","exports","module","ace/lib/es6-shim"], function(require, exports, module) {
    "use strict";

    require("./es6-shim");

});

define("ace/lib/useragent",["require","exports","module"], function(require, exports, module) {
    "use strict";
    exports.OS = {
        LINUX: "LINUX",
        MAC: "MAC",
        WINDOWS: "WINDOWS"
    };
    exports.getOS = function() {
        if (exports.isMac) {
            return exports.OS.MAC;
        } else if (exports.isLinux) {
            return exports.OS.LINUX;
        } else {
            return exports.OS.WINDOWS;
        }
    };
    var _navigator = typeof navigator == "object" ? navigator : {};

    var os = (/mac|win|linux/i.exec(_navigator.platform) || ["other"])[0].toLowerCase();
    var ua = _navigator.userAgent || "";
    var appName = _navigator.appName || "";
    exports.isWin = (os == "win");
    exports.isMac = (os == "mac");
    exports.isLinux = (os == "linux");
    exports.isIE =
        (appName == "Microsoft Internet Explorer" || appName.indexOf("MSAppHost") >= 0)
            ? parseFloat((ua.match(/(?:MSIE |Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/)||[])[1])
            : parseFloat((ua.match(/(?:Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/)||[])[1]); // for ie

    exports.isOldIE = exports.isIE && exports.isIE < 9;
    exports.isGecko = exports.isMozilla = ua.match(/ Gecko\/\d+/);
    exports.isOpera = typeof opera == "object" && Object.prototype.toString.call(window.opera) == "[object Opera]";
    exports.isWebKit = parseFloat(ua.split("WebKit/")[1]) || undefined;

    exports.isChrome = parseFloat(ua.split(" Chrome/")[1]) || undefined;

    exports.isEdge = parseFloat(ua.split(" Edge/")[1]) || undefined;

    exports.isAIR = ua.indexOf("AdobeAIR") >= 0;

    exports.isAndroid = ua.indexOf("Android") >= 0;

    exports.isChromeOS = ua.indexOf(" CrOS ") >= 0;

    exports.isIOS = /iPad|iPhone|iPod/.test(ua) && !window.MSStream;

    if (exports.isIOS) exports.isMac = true;

    exports.isMobile = exports.isIOS || exports.isAndroid;

});

define("ace/lib/dom",["require","exports","module","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var useragent = require("./useragent");
    var XHTML_NS = "http://www.w3.org/1999/xhtml";

    exports.buildDom = function buildDom(arr, parent, refs) {
        if (typeof arr == "string" && arr) {
            var txt = document.createTextNode(arr);
            if (parent)
                parent.appendChild(txt);
            return txt;
        }

        if (!Array.isArray(arr)) {
            if (arr && arr.appendChild && parent)
                parent.appendChild(arr);
            return arr;
        }
        if (typeof arr[0] != "string" || !arr[0]) {
            var els = [];
            for (var i = 0; i < arr.length; i++) {
                var ch = buildDom(arr[i], parent, refs);
                ch && els.push(ch);
            }
            return els;
        }

        var el = document.createElement(arr[0]);
        var options = arr[1];
        var childIndex = 1;
        if (options && typeof options == "object" && !Array.isArray(options))
            childIndex = 2;
        for (var i = childIndex; i < arr.length; i++)
            buildDom(arr[i], el, refs);
        if (childIndex == 2) {
            Object.keys(options).forEach(function(n) {
                var val = options[n];
                if (n === "class") {
                    el.className = Array.isArray(val) ? val.join(" ") : val;
                } else if (typeof val == "function" || n == "value" || n[0] == "$") {
                    el[n] = val;
                } else if (n === "ref") {
                    if (refs) refs[val] = el;
                } else if (n === "style") {
                    if (typeof val == "string") el.style.cssText = val;
                } else if (val != null) {
                    el.setAttribute(n, val);
                }
            });
        }
        if (parent)
            parent.appendChild(el);
        return el;
    };

    exports.getDocumentHead = function(doc) {
        if (!doc)
            doc = document;
        return doc.head || doc.getElementsByTagName("head")[0] || doc.documentElement;
    };

    exports.createElement = function(tag, ns) {
        return document.createElementNS ?
            document.createElementNS(ns || XHTML_NS, tag) :
            document.createElement(tag);
    };

    exports.removeChildren = function(element) {
        element.innerHTML = "";
    };

    exports.createTextNode = function(textContent, element) {
        var doc = element ? element.ownerDocument : document;
        return doc.createTextNode(textContent);
    };

    exports.createFragment = function(element) {
        var doc = element ? element.ownerDocument : document;
        return doc.createDocumentFragment();
    };

    exports.hasCssClass = function(el, name) {
        var classes = (el.className + "").split(/\s+/g);
        return classes.indexOf(name) !== -1;
    };
    exports.addCssClass = function(el, name) {
        if (!exports.hasCssClass(el, name)) {
            el.className += " " + name;
        }
    };
    exports.removeCssClass = function(el, name) {
        var classes = el.className.split(/\s+/g);
        while (true) {
            var index = classes.indexOf(name);
            if (index == -1) {
                break;
            }
            classes.splice(index, 1);
        }
        el.className = classes.join(" ");
    };

    exports.toggleCssClass = function(el, name) {
        var classes = el.className.split(/\s+/g), add = true;
        while (true) {
            var index = classes.indexOf(name);
            if (index == -1) {
                break;
            }
            add = false;
            classes.splice(index, 1);
        }
        if (add)
            classes.push(name);

        el.className = classes.join(" ");
        return add;
    };
    exports.setCssClass = function(node, className, include) {
        if (include) {
            exports.addCssClass(node, className);
        } else {
            exports.removeCssClass(node, className);
        }
    };

    exports.hasCssString = function(id, doc) {
        var index = 0, sheets;
        doc = doc || document;
        if ((sheets = doc.querySelectorAll("style"))) {
            while (index < sheets.length) {
                if (sheets[index++].id === id) {
                    return true;
                }
            }
        }
    };

    exports.removeElementById = function(id, doc) {
        doc = doc || document;
        if(doc.getElementById(id)) {
            doc.getElementById(id).remove();
        }
    };

    var strictCSP;
    var cssCache = [];
    exports.useStrictCSP = function(value) {
        strictCSP = value;
        if (value == false) insertPendingStyles();
        else if (!cssCache) cssCache = [];
    };

    function insertPendingStyles() {
        var cache = cssCache;
        cssCache = null;
        cache && cache.forEach(function(item) {
            importCssString(item[0], item[1]);
        });
    }

    function importCssString(cssText, id, target) {
        if (typeof document == "undefined")
            return;
        if (cssCache) {
            if (target) {
                insertPendingStyles();
            } else if (target === false) {
                return cssCache.push([cssText, id]);
            }
        }
        if (strictCSP) return;

        var container = target;
        if (!target || !target.getRootNode) {
            container = document;
        } else {
            container = target.getRootNode();
            if (!container || container == target)
                container = document;
        }

        var doc = container.ownerDocument || container;
        if (id && exports.hasCssString(id, container))
            return null;

        if (id)
            cssText += "\n/*# sourceURL=ace/css/" + id + " */";

        var style = exports.createElement("style");
        style.appendChild(doc.createTextNode(cssText));
        if (id)
            style.id = id;

        if (container == doc)
            container = exports.getDocumentHead(doc);
        container.insertBefore(style, container.firstChild);
    }
    exports.importCssString = importCssString;

    exports.importCssStylsheet = function(uri, doc) {
        exports.buildDom(["link", {rel: "stylesheet", href: uri}], exports.getDocumentHead(doc));
    };
    exports.scrollbarWidth = function(document) {
        var inner = exports.createElement("ace_inner");
        inner.style.width = "100%";
        inner.style.minWidth = "0px";
        inner.style.height = "200px";
        inner.style.display = "block";

        var outer = exports.createElement("ace_outer");
        var style = outer.style;

        style.position = "absolute";
        style.left = "-10000px";
        style.overflow = "hidden";
        style.width = "200px";
        style.minWidth = "0px";
        style.height = "150px";
        style.display = "block";

        outer.appendChild(inner);

        var body = document.documentElement;
        body.appendChild(outer);

        var noScrollbar = inner.offsetWidth;

        style.overflow = "scroll";
        var withScrollbar = inner.offsetWidth;

        if (noScrollbar == withScrollbar) {
            withScrollbar = outer.clientWidth;
        }

        body.removeChild(outer);

        return noScrollbar-withScrollbar;
    };

    exports.computedStyle = function(element, style) {
        return window.getComputedStyle(element, "") || {};
    };

    exports.setStyle = function(styles, property, value) {
        if (styles[property] !== value) {
            styles[property] = value;
        }
    };

    exports.HAS_CSS_ANIMATION = false;
    exports.HAS_CSS_TRANSFORMS = false;
    exports.HI_DPI = useragent.isWin
        ? typeof window !== "undefined" && window.devicePixelRatio >= 1.5
        : true;

    if (useragent.isChromeOS) exports.HI_DPI = false;

    if (typeof document !== "undefined") {
        var div = document.createElement("div");
        if (exports.HI_DPI && div.style.transform  !== undefined)
            exports.HAS_CSS_TRANSFORMS = true;
        if (!useragent.isEdge && typeof div.style.animationName !== "undefined")
            exports.HAS_CSS_ANIMATION = true;
        div = null;
    }

    if (exports.HAS_CSS_TRANSFORMS) {
        exports.translate = function(element, tx, ty) {
            element.style.transform = "translate(" + Math.round(tx) + "px, " + Math.round(ty) +"px)";
        };
    } else {
        exports.translate = function(element, tx, ty) {
            element.style.top = Math.round(ty) + "px";
            element.style.left = Math.round(tx) + "px";
        };
    }

});

define("ace/lib/oop",["require","exports","module"], function(require, exports, module) {
    "use strict";

    exports.inherits = function(ctor, superCtor) {
        ctor.super_ = superCtor;
        ctor.prototype = Object.create(superCtor.prototype, {
            constructor: {
                value: ctor,
                enumerable: false,
                writable: true,
                configurable: true
            }
        });
    };

    exports.mixin = function(obj, mixin) {
        for (var key in mixin) {
            obj[key] = mixin[key];
        }
        return obj;
    };

    exports.implement = function(proto, mixin) {
        exports.mixin(proto, mixin);
    };

});

define("ace/lib/keys",["require","exports","module","ace/lib/oop"], function(require, exports, module) {
    "use strict";

    var oop = require("./oop");
    var Keys = (function() {
        var ret = {
            MODIFIER_KEYS: {
                16: 'Shift', 17: 'Ctrl', 18: 'Alt', 224: 'Meta',
                91: 'MetaLeft', 92: 'MetaRight', 93: 'ContextMenu'
            },

            KEY_MODS: {
                "ctrl": 1, "alt": 2, "option" : 2, "shift": 4,
                "super": 8, "meta": 8, "command": 8, "cmd": 8,
                "control": 1
            },

            FUNCTION_KEYS : {
                8  : "Backspace",
                9  : "Tab",
                13 : "Return",
                19 : "Pause",
                27 : "Esc",
                32 : "Space",
                33 : "PageUp",
                34 : "PageDown",
                35 : "End",
                36 : "Home",
                37 : "Left",
                38 : "Up",
                39 : "Right",
                40 : "Down",
                44 : "Print",
                45 : "Insert",
                46 : "Delete",
                96 : "Numpad0",
                97 : "Numpad1",
                98 : "Numpad2",
                99 : "Numpad3",
                100: "Numpad4",
                101: "Numpad5",
                102: "Numpad6",
                103: "Numpad7",
                104: "Numpad8",
                105: "Numpad9",
                '-13': "NumpadEnter",
                112: "F1",
                113: "F2",
                114: "F3",
                115: "F4",
                116: "F5",
                117: "F6",
                118: "F7",
                119: "F8",
                120: "F9",
                121: "F10",
                122: "F11",
                123: "F12",
                144: "Numlock",
                145: "Scrolllock"
            },

            PRINTABLE_KEYS: {
                32: ' ',  48: '0',  49: '1',  50: '2',  51: '3',  52: '4', 53:  '5',
                54: '6',  55: '7',  56: '8',  57: '9',  59: ';',  61: '=', 65:  'a',
                66: 'b',  67: 'c',  68: 'd',  69: 'e',  70: 'f',  71: 'g', 72:  'h',
                73: 'i',  74: 'j',  75: 'k',  76: 'l',  77: 'm',  78: 'n', 79:  'o',
                80: 'p',  81: 'q',  82: 'r',  83: 's',  84: 't',  85: 'u', 86:  'v',
                87: 'w',  88: 'x',  89: 'y',  90: 'z', 107: '+', 109: '-', 110: '.',
                186: ';', 187: '=', 188: ',', 189: '-', 190: '.', 191: '/', 192: '`',
                219: '[', 220: '\\',221: ']', 222: "'", 111: '/', 106: '*'
            }
        };
        var name, i;
        for (i in ret.FUNCTION_KEYS) {
            name = ret.FUNCTION_KEYS[i].toLowerCase();
            ret[name] = parseInt(i, 10);
        }
        for (i in ret.PRINTABLE_KEYS) {
            name = ret.PRINTABLE_KEYS[i].toLowerCase();
            ret[name] = parseInt(i, 10);
        }
        oop.mixin(ret, ret.MODIFIER_KEYS);
        oop.mixin(ret, ret.PRINTABLE_KEYS);
        oop.mixin(ret, ret.FUNCTION_KEYS);
        ret.enter = ret["return"];
        ret.escape = ret.esc;
        ret.del = ret["delete"];
        ret[173] = '-';

        (function() {
            var mods = ["cmd", "ctrl", "alt", "shift"];
            for (var i = Math.pow(2, mods.length); i--;) {
                ret.KEY_MODS[i] = mods.filter(function(x) {
                    return i & ret.KEY_MODS[x];
                }).join("-") + "-";
            }
        })();

        ret.KEY_MODS[0] = "";
        ret.KEY_MODS[-1] = "input-";

        return ret;
    })();
    oop.mixin(exports, Keys);

    exports.keyCodeToString = function(keyCode) {
        var keyString = Keys[keyCode];
        if (typeof keyString != "string")
            keyString = String.fromCharCode(keyCode);
        return keyString.toLowerCase();
    };

});

define("ace/lib/event",["require","exports","module","ace/lib/keys","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var keys = require("./keys");
    var useragent = require("./useragent");

    var pressedKeys = null;
    var ts = 0;

    var activeListenerOptions;
    function detectListenerOptionsSupport() {
        activeListenerOptions = false;
        try {
            document.createComment("").addEventListener("test", function() {}, {
                get passive() {
                    activeListenerOptions = {passive: false};
                }
            });
        } catch(e) {}
    }

    function getListenerOptions() {
        if (activeListenerOptions == undefined)
            detectListenerOptionsSupport();
        return activeListenerOptions;
    }

    function EventListener(elem, type, callback) {
        this.elem = elem;
        this.type = type;
        this.callback = callback;
    }
    EventListener.prototype.destroy = function() {
        removeListener(this.elem, this.type, this.callback);
        this.elem = this.type = this.callback = undefined;
    };

    var addListener = exports.addListener = function(elem, type, callback, destroyer) {
        elem.addEventListener(type, callback, getListenerOptions());
        if (destroyer)
            destroyer.$toDestroy.push(new EventListener(elem, type, callback));
    };

    var removeListener = exports.removeListener = function(elem, type, callback) {
        elem.removeEventListener(type, callback, getListenerOptions());
    };
    exports.stopEvent = function(e) {
        exports.stopPropagation(e);
        exports.preventDefault(e);
        return false;
    };

    exports.stopPropagation = function(e) {
        if (e.stopPropagation)
            e.stopPropagation();
    };

    exports.preventDefault = function(e) {
        if (e.preventDefault)
            e.preventDefault();
    };
    exports.getButton = function(e) {
        if (e.type == "dblclick")
            return 0;
        if (e.type == "contextmenu" || (useragent.isMac && (e.ctrlKey && !e.altKey && !e.shiftKey)))
            return 2;
        return e.button;
    };

    exports.capture = function(el, eventHandler, releaseCaptureHandler) {
        var ownerDocument = el && el.ownerDocument || document;
        function onMouseUp(e) {
            eventHandler && eventHandler(e);
            releaseCaptureHandler && releaseCaptureHandler(e);

            removeListener(ownerDocument, "mousemove", eventHandler);
            removeListener(ownerDocument, "mouseup", onMouseUp);
            removeListener(ownerDocument, "dragstart", onMouseUp);
        }

        addListener(ownerDocument, "mousemove", eventHandler);
        addListener(ownerDocument, "mouseup", onMouseUp);
        addListener(ownerDocument, "dragstart", onMouseUp);

        return onMouseUp;
    };

    exports.addMouseWheelListener = function(el, callback, destroyer) {
        addListener(el, "wheel",  function(e) {
            var factor = 0.15;
            var deltaX = e.deltaX || 0;
            var deltaY = e.deltaY || 0;
            switch (e.deltaMode) {
                case e.DOM_DELTA_PIXEL:
                    e.wheelX = deltaX * factor;
                    e.wheelY = deltaY * factor;
                    break;
                case e.DOM_DELTA_LINE:
                    var linePixels = 15;
                    e.wheelX = deltaX * linePixels;
                    e.wheelY = deltaY * linePixels;
                    break;
                case e.DOM_DELTA_PAGE:
                    var pagePixels = 150;
                    e.wheelX = deltaX * pagePixels;
                    e.wheelY = deltaY * pagePixels;
                    break;
            }
            callback(e);
        }, destroyer);
    };

    exports.addMultiMouseDownListener = function(elements, timeouts, eventHandler, callbackName, destroyer) {
        var clicks = 0;
        var startX, startY, timer;
        var eventNames = {
            2: "dblclick",
            3: "tripleclick",
            4: "quadclick"
        };

        function onMousedown(e) {
            if (exports.getButton(e) !== 0) {
                clicks = 0;
            } else if (e.detail > 1) {
                clicks++;
                if (clicks > 4)
                    clicks = 1;
            } else {
                clicks = 1;
            }
            if (useragent.isIE) {
                var isNewClick = Math.abs(e.clientX - startX) > 5 || Math.abs(e.clientY - startY) > 5;
                if (!timer || isNewClick)
                    clicks = 1;
                if (timer)
                    clearTimeout(timer);
                timer = setTimeout(function() {timer = null;}, timeouts[clicks - 1] || 600);

                if (clicks == 1) {
                    startX = e.clientX;
                    startY = e.clientY;
                }
            }

            e._clicks = clicks;

            eventHandler[callbackName]("mousedown", e);

            if (clicks > 4)
                clicks = 0;
            else if (clicks > 1)
                return eventHandler[callbackName](eventNames[clicks], e);
        }
        if (!Array.isArray(elements))
            elements = [elements];
        elements.forEach(function(el) {
            addListener(el, "mousedown", onMousedown, destroyer);
        });
    };

    var getModifierHash = function(e) {
        return 0 | (e.ctrlKey ? 1 : 0) | (e.altKey ? 2 : 0) | (e.shiftKey ? 4 : 0) | (e.metaKey ? 8 : 0);
    };

    exports.getModifierString = function(e) {
        return keys.KEY_MODS[getModifierHash(e)];
    };

    function normalizeCommandKeys(callback, e, keyCode) {
        var hashId = getModifierHash(e);

        if (!useragent.isMac && pressedKeys) {
            if (e.getModifierState && (e.getModifierState("OS") || e.getModifierState("Win")))
                hashId |= 8;
            if (pressedKeys.altGr) {
                if ((3 & hashId) != 3)
                    pressedKeys.altGr = 0;
                else
                    return;
            }
            if (keyCode === 18 || keyCode === 17) {
                var location = "location" in e ? e.location : e.keyLocation;
                if (keyCode === 17 && location === 1) {
                    if (pressedKeys[keyCode] == 1)
                        ts = e.timeStamp;
                } else if (keyCode === 18 && hashId === 3 && location === 2) {
                    var dt = e.timeStamp - ts;
                    if (dt < 50)
                        pressedKeys.altGr = true;
                }
            }
        }

        if (keyCode in keys.MODIFIER_KEYS) {
            keyCode = -1;
        }

        if (!hashId && keyCode === 13) {
            var location = "location" in e ? e.location : e.keyLocation;
            if (location === 3) {
                callback(e, hashId, -keyCode);
                if (e.defaultPrevented)
                    return;
            }
        }

        if (useragent.isChromeOS && hashId & 8) {
            callback(e, hashId, keyCode);
            if (e.defaultPrevented)
                return;
            else
                hashId &= ~8;
        }
        if (!hashId && !(keyCode in keys.FUNCTION_KEYS) && !(keyCode in keys.PRINTABLE_KEYS)) {
            return false;
        }

        return callback(e, hashId, keyCode);
    }


    exports.addCommandKeyListener = function(el, callback, destroyer) {
        if (useragent.isOldGecko || (useragent.isOpera && !("KeyboardEvent" in window))) {
            var lastKeyDownKeyCode = null;
            addListener(el, "keydown", function(e) {
                lastKeyDownKeyCode = e.keyCode;
            }, destroyer);
            addListener(el, "keypress", function(e) {
                return normalizeCommandKeys(callback, e, lastKeyDownKeyCode);
            }, destroyer);
        } else {
            var lastDefaultPrevented = null;

            addListener(el, "keydown", function(e) {
                pressedKeys[e.keyCode] = (pressedKeys[e.keyCode] || 0) + 1;
                var result = normalizeCommandKeys(callback, e, e.keyCode);
                lastDefaultPrevented = e.defaultPrevented;
                return result;
            }, destroyer);

            addListener(el, "keypress", function(e) {
                if (lastDefaultPrevented && (e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)) {
                    exports.stopEvent(e);
                    lastDefaultPrevented = null;
                }
            }, destroyer);

            addListener(el, "keyup", function(e) {
                pressedKeys[e.keyCode] = null;
            }, destroyer);

            if (!pressedKeys) {
                resetPressedKeys();
                addListener(window, "focus", resetPressedKeys);
            }
        }
    };
    function resetPressedKeys() {
        pressedKeys = Object.create(null);
    }

    if (typeof window == "object" && window.postMessage && !useragent.isOldIE) {
        var postMessageId = 1;
        exports.nextTick = function(callback, win) {
            win = win || window;
            var messageName = "zero-timeout-message-" + (postMessageId++);

            var listener = function(e) {
                if (e.data == messageName) {
                    exports.stopPropagation(e);
                    removeListener(win, "message", listener);
                    callback();
                }
            };

            addListener(win, "message", listener);
            win.postMessage(messageName, "*");
        };
    }

    exports.$idleBlocked = false;
    exports.onIdle = function(cb, timeout) {
        return setTimeout(function handler() {
            if (!exports.$idleBlocked) {
                cb();
            } else {
                setTimeout(handler, 100);
            }
        }, timeout);
    };

    exports.$idleBlockId = null;
    exports.blockIdle = function(delay) {
        if (exports.$idleBlockId)
            clearTimeout(exports.$idleBlockId);

        exports.$idleBlocked = true;
        exports.$idleBlockId = setTimeout(function() {
            exports.$idleBlocked = false;
        }, delay || 100);
    };

    exports.nextFrame = typeof window == "object" && (window.requestAnimationFrame
        || window.mozRequestAnimationFrame
        || window.webkitRequestAnimationFrame
        || window.msRequestAnimationFrame
        || window.oRequestAnimationFrame);

    if (exports.nextFrame)
        exports.nextFrame = exports.nextFrame.bind(window);
    else
        exports.nextFrame = function(callback) {
            setTimeout(callback, 17);
        };
});

define("ace/range",["require","exports","module"], function(require, exports, module) {
    "use strict";
    var comparePoints = function(p1, p2) {
        return p1.row - p2.row || p1.column - p2.column;
    };
    var Range = function(startRow, startColumn, endRow, endColumn) {
        this.start = {
            row: startRow,
            column: startColumn
        };

        this.end = {
            row: endRow,
            column: endColumn
        };
    };

    (function() {
        this.isEqual = function(range) {
            return this.start.row === range.start.row &&
                this.end.row === range.end.row &&
                this.start.column === range.start.column &&
                this.end.column === range.end.column;
        };
        this.toString = function() {
            return ("Range: [" + this.start.row + "/" + this.start.column +
                "] -> [" + this.end.row + "/" + this.end.column + "]");
        };

        this.contains = function(row, column) {
            return this.compare(row, column) == 0;
        };
        this.compareRange = function(range) {
            var cmp,
                end = range.end,
                start = range.start;

            cmp = this.compare(end.row, end.column);
            if (cmp == 1) {
                cmp = this.compare(start.row, start.column);
                if (cmp == 1) {
                    return 2;
                } else if (cmp == 0) {
                    return 1;
                } else {
                    return 0;
                }
            } else if (cmp == -1) {
                return -2;
            } else {
                cmp = this.compare(start.row, start.column);
                if (cmp == -1) {
                    return -1;
                } else if (cmp == 1) {
                    return 42;
                } else {
                    return 0;
                }
            }
        };
        this.comparePoint = function(p) {
            return this.compare(p.row, p.column);
        };
        this.containsRange = function(range) {
            return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
        };
        this.intersects = function(range) {
            var cmp = this.compareRange(range);
            return (cmp == -1 || cmp == 0 || cmp == 1);
        };
        this.isEnd = function(row, column) {
            return this.end.row == row && this.end.column == column;
        };
        this.isStart = function(row, column) {
            return this.start.row == row && this.start.column == column;
        };
        this.setStart = function(row, column) {
            if (typeof row == "object") {
                this.start.column = row.column;
                this.start.row = row.row;
            } else {
                this.start.row = row;
                this.start.column = column;
            }
        };
        this.setEnd = function(row, column) {
            if (typeof row == "object") {
                this.end.column = row.column;
                this.end.row = row.row;
            } else {
                this.end.row = row;
                this.end.column = column;
            }
        };
        this.inside = function(row, column) {
            if (this.compare(row, column) == 0) {
                if (this.isEnd(row, column) || this.isStart(row, column)) {
                    return false;
                } else {
                    return true;
                }
            }
            return false;
        };
        this.insideStart = function(row, column) {
            if (this.compare(row, column) == 0) {
                if (this.isEnd(row, column)) {
                    return false;
                } else {
                    return true;
                }
            }
            return false;
        };
        this.insideEnd = function(row, column) {
            if (this.compare(row, column) == 0) {
                if (this.isStart(row, column)) {
                    return false;
                } else {
                    return true;
                }
            }
            return false;
        };
        this.compare = function(row, column) {
            if (!this.isMultiLine()) {
                if (row === this.start.row) {
                    return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
                }
            }

            if (row < this.start.row)
                return -1;

            if (row > this.end.row)
                return 1;

            if (this.start.row === row)
                return column >= this.start.column ? 0 : -1;

            if (this.end.row === row)
                return column <= this.end.column ? 0 : 1;

            return 0;
        };
        this.compareStart = function(row, column) {
            if (this.start.row == row && this.start.column == column) {
                return -1;
            } else {
                return this.compare(row, column);
            }
        };
        this.compareEnd = function(row, column) {
            if (this.end.row == row && this.end.column == column) {
                return 1;
            } else {
                return this.compare(row, column);
            }
        };
        this.compareInside = function(row, column) {
            if (this.end.row == row && this.end.column == column) {
                return 1;
            } else if (this.start.row == row && this.start.column == column) {
                return -1;
            } else {
                return this.compare(row, column);
            }
        };
        this.clipRows = function(firstRow, lastRow) {
            if (this.end.row > lastRow)
                var end = {row: lastRow + 1, column: 0};
            else if (this.end.row < firstRow)
                var end = {row: firstRow, column: 0};

            if (this.start.row > lastRow)
                var start = {row: lastRow + 1, column: 0};
            else if (this.start.row < firstRow)
                var start = {row: firstRow, column: 0};

            return Range.fromPoints(start || this.start, end || this.end);
        };
        this.extend = function(row, column) {
            var cmp = this.compare(row, column);

            if (cmp == 0)
                return this;
            else if (cmp == -1)
                var start = {row: row, column: column};
            else
                var end = {row: row, column: column};

            return Range.fromPoints(start || this.start, end || this.end);
        };

        this.isEmpty = function() {
            return (this.start.row === this.end.row && this.start.column === this.end.column);
        };
        this.isMultiLine = function() {
            return (this.start.row !== this.end.row);
        };
        this.clone = function() {
            return Range.fromPoints(this.start, this.end);
        };
        this.collapseRows = function() {
            if (this.end.column == 0)
                return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0);
            else
                return new Range(this.start.row, 0, this.end.row, 0);
        };
        this.toScreenRange = function(session) {
            var screenPosStart = session.documentToScreenPosition(this.start);
            var screenPosEnd = session.documentToScreenPosition(this.end);

            return new Range(
                screenPosStart.row, screenPosStart.column,
                screenPosEnd.row, screenPosEnd.column
            );
        };
        this.moveBy = function(row, column) {
            this.start.row += row;
            this.start.column += column;
            this.end.row += row;
            this.end.column += column;
        };

    }).call(Range.prototype);
    Range.fromPoints = function(start, end) {
        return new Range(start.row, start.column, end.row, end.column);
    };
    Range.comparePoints = comparePoints;

    Range.comparePoints = function(p1, p2) {
        return p1.row - p2.row || p1.column - p2.column;
    };


    exports.Range = Range;
});

define("ace/lib/lang",["require","exports","module"], function(require, exports, module) {
    "use strict";

    exports.last = function(a) {
        return a[a.length - 1];
    };

    exports.stringReverse = function(string) {
        return string.split("").reverse().join("");
    };

    exports.stringRepeat = function (string, count) {
        var result = '';
        while (count > 0) {
            if (count & 1)
                result += string;

            if (count >>= 1)
                string += string;
        }
        return result;
    };

    var trimBeginRegexp = /^\s\s*/;
    var trimEndRegexp = /\s\s*$/;

    exports.stringTrimLeft = function (string) {
        return string.replace(trimBeginRegexp, '');
    };

    exports.stringTrimRight = function (string) {
        return string.replace(trimEndRegexp, '');
    };

    exports.copyObject = function(obj) {
        var copy = {};
        for (var key in obj) {
            copy[key] = obj[key];
        }
        return copy;
    };

    exports.copyArray = function(array){
        var copy = [];
        for (var i=0, l=array.length; i<l; i++) {
            if (array[i] && typeof array[i] == "object")
                copy[i] = this.copyObject(array[i]);
            else
                copy[i] = array[i];
        }
        return copy;
    };

    exports.deepCopy = function deepCopy(obj) {
        if (typeof obj !== "object" || !obj)
            return obj;
        var copy;
        if (Array.isArray(obj)) {
            copy = [];
            for (var key = 0; key < obj.length; key++) {
                copy[key] = deepCopy(obj[key]);
            }
            return copy;
        }
        if (Object.prototype.toString.call(obj) !== "[object Object]")
            return obj;

        copy = {};
        for (var key in obj)
            copy[key] = deepCopy(obj[key]);
        return copy;
    };

    exports.arrayToMap = function(arr) {
        var map = {};
        for (var i=0; i<arr.length; i++) {
            map[arr[i]] = 1;
        }
        return map;

    };

    exports.createMap = function(props) {
        var map = Object.create(null);
        for (var i in props) {
            map[i] = props[i];
        }
        return map;
    };
    exports.arrayRemove = function(array, value) {
        for (var i = 0; i <= array.length; i++) {
            if (value === array[i]) {
                array.splice(i, 1);
            }
        }
    };

    exports.escapeRegExp = function(str) {
        return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
    };

    exports.escapeHTML = function(str) {
        return ("" + str).replace(/&/g, "&#38;").replace(/"/g, "&#34;").replace(/'/g, "&#39;").replace(/</g, "&#60;");
    };

    exports.getMatchOffsets = function(string, regExp) {
        var matches = [];

        string.replace(regExp, function(str) {
            matches.push({
                offset: arguments[arguments.length-2],
                length: str.length
            });
        });

        return matches;
    };
    exports.deferredCall = function(fcn) {
        var timer = null;
        var callback = function() {
            timer = null;
            fcn();
        };

        var deferred = function(timeout) {
            deferred.cancel();
            timer = setTimeout(callback, timeout || 0);
            return deferred;
        };

        deferred.schedule = deferred;

        deferred.call = function() {
            this.cancel();
            fcn();
            return deferred;
        };

        deferred.cancel = function() {
            clearTimeout(timer);
            timer = null;
            return deferred;
        };

        deferred.isPending = function() {
            return timer;
        };

        return deferred;
    };


    exports.delayedCall = function(fcn, defaultTimeout) {
        var timer = null;
        var callback = function() {
            timer = null;
            fcn();
        };

        var _self = function(timeout) {
            if (timer == null)
                timer = setTimeout(callback, timeout || defaultTimeout);
        };

        _self.delay = function(timeout) {
            timer && clearTimeout(timer);
            timer = setTimeout(callback, timeout || defaultTimeout);
        };
        _self.schedule = _self;

        _self.call = function() {
            this.cancel();
            fcn();
        };

        _self.cancel = function() {
            timer && clearTimeout(timer);
            timer = null;
        };

        _self.isPending = function() {
            return timer;
        };

        return _self;
    };
});

define("ace/clipboard",["require","exports","module"], function(require, exports, module) {
    "use strict";

    var $cancelT;
    module.exports = {
        lineMode: false,
        pasteCancelled: function() {
            if ($cancelT && $cancelT > Date.now() - 50)
                return true;
            return $cancelT = false;
        },
        cancel: function() {
            $cancelT = Date.now();
        }
    };

});

define("ace/keyboard/textinput",["require","exports","module","ace/lib/event","ace/lib/useragent","ace/lib/dom","ace/lib/lang","ace/clipboard","ace/lib/keys"], function(require, exports, module) {
    "use strict";

    var event = require("../lib/event");
    var useragent = require("../lib/useragent");
    var dom = require("../lib/dom");
    var lang = require("../lib/lang");
    var clipboard = require("../clipboard");
    var BROKEN_SETDATA = useragent.isChrome < 18;
    var USE_IE_MIME_TYPE =  useragent.isIE;
    var HAS_FOCUS_ARGS = useragent.isChrome > 63;
    var MAX_LINE_LENGTH = 400;

    var KEYS = require("../lib/keys");
    var MODS = KEYS.KEY_MODS;
    var isIOS = useragent.isIOS;
    var valueResetRegex = isIOS ? /\s/ : /\n/;
    var isMobile = useragent.isMobile;

    var TextInput = function(parentNode, host) {
        var text = dom.createElement("textarea");
        text.className = "ace_text-input";

        text.setAttribute("wrap", "off");
        text.setAttribute("autocorrect", "off");
        text.setAttribute("autocapitalize", "off");
        text.setAttribute("spellcheck", false);

        text.style.opacity = "0";
        parentNode.insertBefore(text, parentNode.firstChild);

        var copied = false;
        var pasted = false;
        var inComposition = false;
        var sendingText = false;
        var tempStyle = '';

        if (!isMobile)
            text.style.fontSize = "1px";

        var commandMode = false;
        var ignoreFocusEvents = false;

        var lastValue = "";
        var lastSelectionStart = 0;
        var lastSelectionEnd = 0;
        var lastRestoreEnd = 0;
        try { var isFocused = document.activeElement === text; } catch(e) {}

        event.addListener(text, "blur", function(e) {
            if (ignoreFocusEvents) return;
            host.onBlur(e);
            isFocused = false;
        }, host);
        event.addListener(text, "focus", function(e) {
            if (ignoreFocusEvents) return;
            isFocused = true;
            if (useragent.isEdge) {
                try {
                    if (!document.hasFocus())
                        return;
                } catch(e) {}
            }
            host.onFocus(e);
            if (useragent.isEdge)
                setTimeout(resetSelection);
            else
                resetSelection();
        }, host);
        this.$focusScroll = false;
        this.focus = function() {
            if (tempStyle || HAS_FOCUS_ARGS || this.$focusScroll == "browser")
                return text.focus({ preventScroll: true });

            var top = text.style.top;
            text.style.position = "fixed";
            text.style.top = "0px";
            try {
                var isTransformed = text.getBoundingClientRect().top != 0;
            } catch(e) {
                return;
            }
            var ancestors = [];
            if (isTransformed) {
                var t = text.parentElement;
                while (t && t.nodeType == 1) {
                    ancestors.push(t);
                    t.setAttribute("ace_nocontext", true);
                    if (!t.parentElement && t.getRootNode)
                        t = t.getRootNode().host;
                    else
                        t = t.parentElement;
                }
            }
            text.focus({ preventScroll: true });
            if (isTransformed) {
                ancestors.forEach(function(p) {
                    p.removeAttribute("ace_nocontext");
                });
            }
            setTimeout(function() {
                text.style.position = "";
                if (text.style.top == "0px")
                    text.style.top = top;
            }, 0);
        };
        this.blur = function() {
            text.blur();
        };
        this.isFocused = function() {
            return isFocused;
        };

        host.on("beforeEndOperation", function() {
            var curOp = host.curOp;
            var commandName = curOp && curOp.command && curOp.command.name;
            if (commandName == "insertstring")
                return;
            var isUserAction = commandName && (curOp.docChanged || curOp.selectionChanged);
            if (inComposition && isUserAction) {
                lastValue = text.value = "";
                onCompositionEnd();
            }
            resetSelection();
        });

        var resetSelection = isIOS
            ? function(value) {
                if (!isFocused || (copied && !value) || sendingText) return;
                if (!value)
                    value = "";
                var newValue = "\n ab" + value + "cde fg\n";
                if (newValue != text.value)
                    text.value = lastValue = newValue;

                var selectionStart = 4;
                var selectionEnd = 4 + (value.length || (host.selection.isEmpty() ? 0 : 1));

                if (lastSelectionStart != selectionStart || lastSelectionEnd != selectionEnd) {
                    text.setSelectionRange(selectionStart, selectionEnd);
                }
                lastSelectionStart = selectionStart;
                lastSelectionEnd = selectionEnd;
            }
            : function() {
                if (inComposition || sendingText)
                    return;
                if (!isFocused && !afterContextMenu)
                    return;
                inComposition = true;

                var selectionStart = 0;
                var selectionEnd = 0;
                var line = "";

                if (host.session) {
                    var selection = host.selection;
                    var range = selection.getRange();
                    var row = selection.cursor.row;
                    selectionStart = range.start.column;
                    selectionEnd = range.end.column;
                    line = host.session.getLine(row);

                    if (range.start.row != row) {
                        var prevLine = host.session.getLine(row - 1);
                        selectionStart = range.start.row < row - 1 ? 0 : selectionStart;
                        selectionEnd += prevLine.length + 1;
                        line = prevLine + "\n" + line;
                    }
                    else if (range.end.row != row) {
                        var nextLine = host.session.getLine(row + 1);
                        selectionEnd = range.end.row > row  + 1 ? nextLine.length : selectionEnd;
                        selectionEnd += line.length + 1;
                        line = line + "\n" + nextLine;
                    }
                    else if (isMobile && row > 0) {
                        line = "\n" + line;
                        selectionEnd += 1;
                        selectionStart += 1;
                    }

                    if (line.length > MAX_LINE_LENGTH) {
                        if (selectionStart < MAX_LINE_LENGTH && selectionEnd < MAX_LINE_LENGTH) {
                            line = line.slice(0, MAX_LINE_LENGTH);
                        } else {
                            line = "\n";
                            if (selectionStart == selectionEnd) {
                                selectionStart = selectionEnd = 0;
                            }
                            else {
                                selectionStart = 0;
                                selectionEnd = 1;
                            }
                        }
                    }
                }

                var newValue = line + "\n\n";
                if (newValue != lastValue) {
                    text.value = lastValue = newValue;
                    lastSelectionStart = lastSelectionEnd = newValue.length;
                }
                if (afterContextMenu) {
                    lastSelectionStart = text.selectionStart;
                    lastSelectionEnd = text.selectionEnd;
                }
                if (
                    lastSelectionEnd != selectionEnd
                    || lastSelectionStart != selectionStart
                    || text.selectionEnd != lastSelectionEnd // on ie edge selectionEnd changes silently after the initialization
                ) {
                    try {
                        text.setSelectionRange(selectionStart, selectionEnd);
                        lastSelectionStart = selectionStart;
                        lastSelectionEnd = selectionEnd;
                    } catch(e){}
                }
                inComposition = false;
            };
        this.resetSelection = resetSelection;

        if (isFocused)
            host.onFocus();


        var isAllSelected = function(text) {
            return text.selectionStart === 0 && text.selectionEnd >= lastValue.length
                && text.value === lastValue && lastValue
                && text.selectionEnd !== lastSelectionEnd;
        };

        var onSelect = function(e) {
            if (inComposition)
                return;
            if (copied) {
                copied = false;
            } else if (isAllSelected(text)) {
                host.selectAll();
                resetSelection();
            } else if (isMobile && text.selectionStart != lastSelectionStart) {
                resetSelection();
            }
        };

        var inputHandler = null;
        this.setInputHandler = function(cb) {inputHandler = cb;};
        this.getInputHandler = function() {return inputHandler;};
        var afterContextMenu = false;

        var sendText = function(value, fromInput) {
            if (afterContextMenu)
                afterContextMenu = false;
            if (pasted) {
                resetSelection();
                if (value)
                    host.onPaste(value);
                pasted = false;
                return "";
            } else {
                var selectionStart = text.selectionStart;
                var selectionEnd = text.selectionEnd;

                var extendLeft = lastSelectionStart;
                var extendRight = lastValue.length - lastSelectionEnd;

                var inserted = value;
                var restoreStart = value.length - selectionStart;
                var restoreEnd = value.length - selectionEnd;

                var i = 0;
                while (extendLeft > 0 && lastValue[i] == value[i]) {
                    i++;
                    extendLeft--;
                }
                inserted = inserted.slice(i);
                i = 1;
                while (extendRight > 0 && lastValue.length - i > lastSelectionStart - 1  && lastValue[lastValue.length - i] == value[value.length - i]) {
                    i++;
                    extendRight--;
                }
                restoreStart -= i-1;
                restoreEnd -= i-1;
                var endIndex = inserted.length - i + 1;
                if (endIndex < 0) {
                    extendLeft = -endIndex;
                    endIndex = 0;
                }
                inserted = inserted.slice(0, endIndex);
                if (!fromInput && !inserted && !restoreStart && !extendLeft && !extendRight && !restoreEnd)
                    return "";
                sendingText = true;
                var shouldReset = false;
                if (useragent.isAndroid && inserted == ". ") {
                    inserted = "  ";
                    shouldReset = true;
                }

                if (inserted && !extendLeft && !extendRight && !restoreStart && !restoreEnd || commandMode) {
                    host.onTextInput(inserted);
                } else {
                    host.onTextInput(inserted, {
                        extendLeft: extendLeft,
                        extendRight: extendRight,
                        restoreStart: restoreStart,
                        restoreEnd: restoreEnd
                    });
                }
                sendingText = false;

                lastValue = value;
                lastSelectionStart = selectionStart;
                lastSelectionEnd = selectionEnd;
                lastRestoreEnd = restoreEnd;
                return shouldReset ? "\n" : inserted;
            }
        };
        var onInput = function(e) {
            if (inComposition)
                return onCompositionUpdate();
            if (e && e.inputType) {
                if (e.inputType == "historyUndo") return host.execCommand("undo");
                if (e.inputType == "historyRedo") return host.execCommand("redo");
            }
            var data = text.value;
            var inserted = sendText(data, true);
            if (
                data.length > MAX_LINE_LENGTH + 100
                || valueResetRegex.test(inserted)
                || isMobile && lastSelectionStart < 1 && lastSelectionStart == lastSelectionEnd
            ) {
                resetSelection();
            }
        };

        var handleClipboardData = function(e, data, forceIEMime) {
            var clipboardData = e.clipboardData || window.clipboardData;
            if (!clipboardData || BROKEN_SETDATA)
                return;
            var mime = USE_IE_MIME_TYPE || forceIEMime ? "Text" : "text/plain";
            try {
                if (data) {
                    return clipboardData.setData(mime, data) !== false;
                } else {
                    return clipboardData.getData(mime);
                }
            } catch(e) {
                if (!forceIEMime)
                    return handleClipboardData(e, data, true);
            }
        };

        var doCopy = function(e, isCut) {
            var data = host.getCopyText();
            if (!data)
                return event.preventDefault(e);

            if (handleClipboardData(e, data)) {
                if (isIOS) {
                    resetSelection(data);
                    copied = data;
                    setTimeout(function () {
                        copied = false;
                    }, 10);
                }
                isCut ? host.onCut() : host.onCopy();
                event.preventDefault(e);
            } else {
                copied = true;
                text.value = data;
                text.select();
                setTimeout(function(){
                    copied = false;
                    resetSelection();
                    isCut ? host.onCut() : host.onCopy();
                });
            }
        };

        var onCut = function(e) {
            doCopy(e, true);
        };

        var onCopy = function(e) {
            doCopy(e, false);
        };

        var onPaste = function(e) {
            var data = handleClipboardData(e);
            if (clipboard.pasteCancelled())
                return;
            if (typeof data == "string") {
                if (data)
                    host.onPaste(data, e);
                if (useragent.isIE)
                    setTimeout(resetSelection);
                event.preventDefault(e);
            }
            else {
                text.value = "";
                pasted = true;
            }
        };

        event.addCommandKeyListener(text, host.onCommandKey.bind(host), host);

        event.addListener(text, "select", onSelect, host);
        event.addListener(text, "input", onInput, host);

        event.addListener(text, "cut", onCut, host);
        event.addListener(text, "copy", onCopy, host);
        event.addListener(text, "paste", onPaste, host);
        if (!('oncut' in text) || !('oncopy' in text) || !('onpaste' in text)) {
            event.addListener(parentNode, "keydown", function(e) {
                if ((useragent.isMac && !e.metaKey) || !e.ctrlKey)
                    return;

                switch (e.keyCode) {
                    case 67:
                        onCopy(e);
                        break;
                    case 86:
                        onPaste(e);
                        break;
                    case 88:
                        onCut(e);
                        break;
                }
            }, host);
        }
        var onCompositionStart = function(e) {
            if (inComposition || !host.onCompositionStart || host.$readOnly)
                return;

            inComposition = {};

            if (commandMode)
                return;

            if (e.data)
                inComposition.useTextareaForIME = false;

            setTimeout(onCompositionUpdate, 0);
            host._signal("compositionStart");
            host.on("mousedown", cancelComposition);

            var range = host.getSelectionRange();
            range.end.row = range.start.row;
            range.end.column = range.start.column;
            inComposition.markerRange = range;
            inComposition.selectionStart = lastSelectionStart;
            host.onCompositionStart(inComposition);

            if (inComposition.useTextareaForIME) {
                lastValue = text.value = "";
                lastSelectionStart = 0;
                lastSelectionEnd = 0;
            }
            else {
                if (text.msGetInputContext)
                    inComposition.context = text.msGetInputContext();
                if (text.getInputContext)
                    inComposition.context = text.getInputContext();
            }
        };

        var onCompositionUpdate = function() {
            if (!inComposition || !host.onCompositionUpdate || host.$readOnly)
                return;
            if (commandMode)
                return cancelComposition();

            if (inComposition.useTextareaForIME) {
                host.onCompositionUpdate(text.value);
            }
            else {
                var data = text.value;
                sendText(data);
                if (inComposition.markerRange) {
                    if (inComposition.context) {
                        inComposition.markerRange.start.column = inComposition.selectionStart
                            = inComposition.context.compositionStartOffset;
                    }
                    inComposition.markerRange.end.column = inComposition.markerRange.start.column
                        + lastSelectionEnd - inComposition.selectionStart + lastRestoreEnd;
                }
            }
        };

        var onCompositionEnd = function(e) {
            if (!host.onCompositionEnd || host.$readOnly) return;
            inComposition = false;
            host.onCompositionEnd();
            host.off("mousedown", cancelComposition);
            if (e) onInput();
        };


        function cancelComposition() {
            ignoreFocusEvents = true;
            text.blur();
            text.focus();
            ignoreFocusEvents = false;
        }

        var syncComposition = lang.delayedCall(onCompositionUpdate, 50).schedule.bind(null, null);

        function onKeyup(e) {
            if (e.keyCode == 27 && text.value.length < text.selectionStart) {
                if (!inComposition)
                    lastValue = text.value;
                lastSelectionStart = lastSelectionEnd = -1;
                resetSelection();
            }
            syncComposition();
        }

        event.addListener(text, "compositionstart", onCompositionStart, host);
        event.addListener(text, "compositionupdate", onCompositionUpdate, host);
        event.addListener(text, "keyup", onKeyup, host);
        event.addListener(text, "keydown", syncComposition, host);
        event.addListener(text, "compositionend", onCompositionEnd, host);

        this.getElement = function() {
            return text;
        };
        this.setCommandMode = function(value) {
            commandMode = value;
            text.readOnly = false;
        };

        this.setReadOnly = function(readOnly) {
            if (!commandMode)
                text.readOnly = readOnly;
        };

        this.setCopyWithEmptySelection = function(value) {
        };

        this.onContextMenu = function(e) {
            afterContextMenu = true;
            resetSelection();
            host._emit("nativecontextmenu", {target: host, domEvent: e});
            this.moveToMouse(e, true);
        };

        this.moveToMouse = function(e, bringToFront) {
            if (!tempStyle)
                tempStyle = text.style.cssText;
            text.style.cssText = (bringToFront ? "z-index:100000;" : "")
                + (useragent.isIE ? "opacity:0.1;" : "")
                + "text-indent: -" + (lastSelectionStart + lastSelectionEnd) * host.renderer.characterWidth * 0.5 + "px;";

            var rect = host.container.getBoundingClientRect();
            var style = dom.computedStyle(host.container);
            var top = rect.top + (parseInt(style.borderTopWidth) || 0);
            var left = rect.left + (parseInt(rect.borderLeftWidth) || 0);
            var maxTop = rect.bottom - top - text.clientHeight -2;
            var move = function(e) {
                dom.translate(text, e.clientX - left - 2, Math.min(e.clientY - top - 2, maxTop));
            };
            move(e);

            if (e.type != "mousedown")
                return;

            host.renderer.$isMousePressed = true;

            clearTimeout(closeTimeout);
            if (useragent.isWin)
                event.capture(host.container, move, onContextMenuClose);
        };

        this.onContextMenuClose = onContextMenuClose;
        var closeTimeout;
        function onContextMenuClose() {
            clearTimeout(closeTimeout);
            closeTimeout = setTimeout(function () {
                if (tempStyle) {
                    text.style.cssText = tempStyle;
                    tempStyle = '';
                }
                host.renderer.$isMousePressed = false;
                if (host.renderer.$keepTextAreaAtCursor)
                    host.renderer.$moveTextAreaToCursor();
            }, 0);
        }

        var onContextMenu = function(e) {
            host.textInput.onContextMenu(e);
            onContextMenuClose();
        };
        event.addListener(text, "mouseup", onContextMenu, host);
        event.addListener(text, "mousedown", function(e) {
            e.preventDefault();
            onContextMenuClose();
        }, host);
        event.addListener(host.renderer.scroller, "contextmenu", onContextMenu, host);
        event.addListener(text, "contextmenu", onContextMenu, host);

        if (isIOS)
            addIosSelectionHandler(parentNode, host, text);

        function addIosSelectionHandler(parentNode, host, text) {
            var typingResetTimeout = null;
            var typing = false;

            text.addEventListener("keydown", function (e) {
                if (typingResetTimeout) clearTimeout(typingResetTimeout);
                typing = true;
            }, true);

            text.addEventListener("keyup", function (e) {
                typingResetTimeout = setTimeout(function () {
                    typing = false;
                }, 100);
            }, true);
            var detectArrowKeys = function(e) {
                if (document.activeElement !== text) return;
                if (typing || inComposition || host.$mouseHandler.isMousePressed) return;

                if (copied) {
                    return;
                }
                var selectionStart = text.selectionStart;
                var selectionEnd = text.selectionEnd;

                var key = null;
                var modifier = 0;
                if (selectionStart == 0) {
                    key = KEYS.up;
                } else if (selectionStart == 1) {
                    key = KEYS.home;
                } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd] == "\n") {
                    key = KEYS.end;
                } else if (selectionStart < lastSelectionStart && lastValue[selectionStart - 1] == " ") {
                    key = KEYS.left;
                    modifier = MODS.option;
                } else if (
                    selectionStart < lastSelectionStart
                    || (
                        selectionStart == lastSelectionStart
                        && lastSelectionEnd != lastSelectionStart
                        && selectionStart == selectionEnd
                    )
                ) {
                    key = KEYS.left;
                } else if (selectionEnd > lastSelectionEnd && lastValue.slice(0, selectionEnd).split("\n").length > 2) {
                    key = KEYS.down;
                } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd - 1] == " ") {
                    key = KEYS.right;
                    modifier = MODS.option;
                } else if (
                    selectionEnd > lastSelectionEnd
                    || (
                        selectionEnd == lastSelectionEnd
                        && lastSelectionEnd != lastSelectionStart
                        && selectionStart == selectionEnd
                    )
                ) {
                    key = KEYS.right;
                }

                if (selectionStart !== selectionEnd)
                    modifier |= MODS.shift;

                if (key) {
                    var result = host.onCommandKey({}, modifier, key);
                    if (!result && host.commands) {
                        key = KEYS.keyCodeToString(key);
                        var command = host.commands.findKeyCommand(modifier, key);
                        if (command)
                            host.execCommand(command);
                    }
                    lastSelectionStart = selectionStart;
                    lastSelectionEnd = selectionEnd;
                    resetSelection("");
                }
            };
            document.addEventListener("selectionchange", detectArrowKeys);
            host.on("destroy", function() {
                document.removeEventListener("selectionchange", detectArrowKeys);
            });
        }

        this.destroy = function() {
            if (text.parentElement)
                text.parentElement.removeChild(text);
        };
    };

    exports.TextInput = TextInput;
    exports.$setUserAgentForTests = function(_isMobile, _isIOS) {
        isMobile = _isMobile;
        isIOS = _isIOS;
    };
});

define("ace/mouse/default_handlers",["require","exports","module","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var useragent = require("../lib/useragent");

    var DRAG_OFFSET = 0; // pixels
    var SCROLL_COOLDOWN_T = 550; // milliseconds

    function DefaultHandlers(mouseHandler) {
        mouseHandler.$clickSelection = null;

        var editor = mouseHandler.editor;
        editor.setDefaultHandler("mousedown", this.onMouseDown.bind(mouseHandler));
        editor.setDefaultHandler("dblclick", this.onDoubleClick.bind(mouseHandler));
        editor.setDefaultHandler("tripleclick", this.onTripleClick.bind(mouseHandler));
        editor.setDefaultHandler("quadclick", this.onQuadClick.bind(mouseHandler));
        editor.setDefaultHandler("mousewheel", this.onMouseWheel.bind(mouseHandler));

        var exports = ["select", "startSelect", "selectEnd", "selectAllEnd", "selectByWordsEnd",
            "selectByLinesEnd", "dragWait", "dragWaitEnd", "focusWait"];

        exports.forEach(function(x) {
            mouseHandler[x] = this[x];
        }, this);

        mouseHandler.selectByLines = this.extendSelectionBy.bind(mouseHandler, "getLineRange");
        mouseHandler.selectByWords = this.extendSelectionBy.bind(mouseHandler, "getWordRange");
    }

    (function() {

        this.onMouseDown = function(ev) {
            var inSelection = ev.inSelection();
            var pos = ev.getDocumentPosition();
            this.mousedownEvent = ev;
            var editor = this.editor;

            var button = ev.getButton();
            if (button !== 0) {
                var selectionRange = editor.getSelectionRange();
                var selectionEmpty = selectionRange.isEmpty();
                if (selectionEmpty || button == 1)
                    editor.selection.moveToPosition(pos);
                if (button == 2) {
                    editor.textInput.onContextMenu(ev.domEvent);
                    if (!useragent.isMozilla)
                        ev.preventDefault();
                }
                return;
            }

            this.mousedownEvent.time = Date.now();
            if (inSelection && !editor.isFocused()) {
                editor.focus();
                if (this.$focusTimeout && !this.$clickSelection && !editor.inMultiSelectMode) {
                    this.setState("focusWait");
                    this.captureMouse(ev);
                    return;
                }
            }

            this.captureMouse(ev);
            this.startSelect(pos, ev.domEvent._clicks > 1);
            return ev.preventDefault();
        };

        this.startSelect = function(pos, waitForClickSelection) {
            pos = pos || this.editor.renderer.screenToTextCoordinates(this.x, this.y);
            var editor = this.editor;
            if (!this.mousedownEvent) return;
            if (this.mousedownEvent.getShiftKey())
                editor.selection.selectToPosition(pos);
            else if (!waitForClickSelection)
                editor.selection.moveToPosition(pos);
            if (!waitForClickSelection)
                this.select();
            if (editor.renderer.scroller.setCapture) {
                editor.renderer.scroller.setCapture();
            }
            editor.setStyle("ace_selecting");
            this.setState("select");
        };

        this.select = function() {
            var anchor, editor = this.editor;
            var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
            if (this.$clickSelection) {
                var cmp = this.$clickSelection.comparePoint(cursor);

                if (cmp == -1) {
                    anchor = this.$clickSelection.end;
                } else if (cmp == 1) {
                    anchor = this.$clickSelection.start;
                } else {
                    var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
                    cursor = orientedRange.cursor;
                    anchor = orientedRange.anchor;
                }
                editor.selection.setSelectionAnchor(anchor.row, anchor.column);
            }
            editor.selection.selectToPosition(cursor);
            editor.renderer.scrollCursorIntoView();
        };

        this.extendSelectionBy = function(unitName) {
            var anchor, editor = this.editor;
            var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
            var range = editor.selection[unitName](cursor.row, cursor.column);
            if (this.$clickSelection) {
                var cmpStart = this.$clickSelection.comparePoint(range.start);
                var cmpEnd = this.$clickSelection.comparePoint(range.end);

                if (cmpStart == -1 && cmpEnd <= 0) {
                    anchor = this.$clickSelection.end;
                    if (range.end.row != cursor.row || range.end.column != cursor.column)
                        cursor = range.start;
                } else if (cmpEnd == 1 && cmpStart >= 0) {
                    anchor = this.$clickSelection.start;
                    if (range.start.row != cursor.row || range.start.column != cursor.column)
                        cursor = range.end;
                } else if (cmpStart == -1 && cmpEnd == 1) {
                    cursor = range.end;
                    anchor = range.start;
                } else {
                    var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
                    cursor = orientedRange.cursor;
                    anchor = orientedRange.anchor;
                }
                editor.selection.setSelectionAnchor(anchor.row, anchor.column);
            }
            editor.selection.selectToPosition(cursor);
            editor.renderer.scrollCursorIntoView();
        };

        this.selectEnd =
            this.selectAllEnd =
                this.selectByWordsEnd =
                    this.selectByLinesEnd = function() {
                        this.$clickSelection = null;
                        this.editor.unsetStyle("ace_selecting");
                        if (this.editor.renderer.scroller.releaseCapture) {
                            this.editor.renderer.scroller.releaseCapture();
                        }
                    };

        this.focusWait = function() {
            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
            var time = Date.now();

            if (distance > DRAG_OFFSET || time - this.mousedownEvent.time > this.$focusTimeout)
                this.startSelect(this.mousedownEvent.getDocumentPosition());
        };

        this.onDoubleClick = function(ev) {
            var pos = ev.getDocumentPosition();
            var editor = this.editor;
            var session = editor.session;

            var range = session.getBracketRange(pos);
            if (range) {
                if (range.isEmpty()) {
                    range.start.column--;
                    range.end.column++;
                }
                this.setState("select");
            } else {
                range = editor.selection.getWordRange(pos.row, pos.column);
                this.setState("selectByWords");
            }
            this.$clickSelection = range;
            this.select();
        };

        this.onTripleClick = function(ev) {
            var pos = ev.getDocumentPosition();
            var editor = this.editor;

            this.setState("selectByLines");
            var range = editor.getSelectionRange();
            if (range.isMultiLine() && range.contains(pos.row, pos.column)) {
                this.$clickSelection = editor.selection.getLineRange(range.start.row);
                this.$clickSelection.end = editor.selection.getLineRange(range.end.row).end;
            } else {
                this.$clickSelection = editor.selection.getLineRange(pos.row);
            }
            this.select();
        };

        this.onQuadClick = function(ev) {
            var editor = this.editor;

            editor.selectAll();
            this.$clickSelection = editor.getSelectionRange();
            this.setState("selectAll");
        };

        this.onMouseWheel = function(ev) {
            if (ev.getAccelKey())
                return;
            if (ev.getShiftKey() && ev.wheelY && !ev.wheelX) {
                ev.wheelX = ev.wheelY;
                ev.wheelY = 0;
            }

            var editor = this.editor;

            if (!this.$lastScroll)
                this.$lastScroll = { t: 0, vx: 0, vy: 0, allowed: 0 };

            var prevScroll = this.$lastScroll;
            var t = ev.domEvent.timeStamp;
            var dt = t - prevScroll.t;
            var vx = dt ? ev.wheelX / dt : prevScroll.vx;
            var vy = dt ? ev.wheelY / dt : prevScroll.vy;
            if (dt < SCROLL_COOLDOWN_T) {
                vx = (vx + prevScroll.vx) / 2;
                vy = (vy + prevScroll.vy) / 2;
            }

            var direction = Math.abs(vx / vy);

            var canScroll = false;
            if (direction >= 1 && editor.renderer.isScrollableBy(ev.wheelX * ev.speed, 0))
                canScroll = true;
            if (direction <= 1 && editor.renderer.isScrollableBy(0, ev.wheelY * ev.speed))
                canScroll = true;

            if (canScroll) {
                prevScroll.allowed = t;
            } else if (t - prevScroll.allowed < SCROLL_COOLDOWN_T) {
                var isSlower = Math.abs(vx) <= 1.5 * Math.abs(prevScroll.vx)
                    && Math.abs(vy) <= 1.5 * Math.abs(prevScroll.vy);
                if (isSlower) {
                    canScroll = true;
                    prevScroll.allowed = t;
                }
                else {
                    prevScroll.allowed = 0;
                }
            }

            prevScroll.t = t;
            prevScroll.vx = vx;
            prevScroll.vy = vy;

            if (canScroll) {
                editor.renderer.scrollBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
                return ev.stop();
            }
        };

    }).call(DefaultHandlers.prototype);

    exports.DefaultHandlers = DefaultHandlers;

    function calcDistance(ax, ay, bx, by) {
        return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
    }

    function calcRangeOrientation(range, cursor) {
        if (range.start.row == range.end.row)
            var cmp = 2 * cursor.column - range.start.column - range.end.column;
        else if (range.start.row == range.end.row - 1 && !range.start.column && !range.end.column)
            var cmp = cursor.column - 4;
        else
            var cmp = 2 * cursor.row - range.start.row - range.end.row;

        if (cmp < 0)
            return {cursor: range.start, anchor: range.end};
        else
            return {cursor: range.end, anchor: range.start};
    }

});

define("ace/tooltip",["require","exports","module","ace/lib/oop","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var dom = require("./lib/dom");

    var CLASSNAME = "ace_tooltip";
    function Tooltip (parentNode) {
        this.isOpen = false;
        this.$element = null;
        this.$parentNode = parentNode;
    }

    (function() {
        this.$init = function() {
            this.$element = dom.createElement("div");
            this.$element.className = CLASSNAME;
            this.$element.style.display = "none";
            this.$parentNode.appendChild(this.$element);
            return this.$element;
        };
        this.getElement = function() {
            return this.$element || this.$init();
        };
        this.setText = function(text) {
            this.getElement().textContent = text;
        };
        this.setHtml = function(html) {
            this.getElement().innerHTML = html;
        };
        this.setPosition = function(x, y) {
            this.getElement().style.left = x + "px";
            this.getElement().style.top = y + "px";
        };
        this.setClassName = function(className) {
            dom.addCssClass(this.getElement(), className);
        };
        this.show = function(text, x, y) {
            if (text != null)
                this.setText(text);
            if (x != null && y != null)
                this.setPosition(x, y);
            if (!this.isOpen) {
                this.getElement().style.display = "block";
                this.isOpen = true;
            }
        };

        this.hide = function() {
            if (this.isOpen) {
                this.getElement().style.display = "none";
                this.getElement().className = CLASSNAME;
                this.isOpen = false;
            }
        };
        this.getHeight = function() {
            return this.getElement().offsetHeight;
        };
        this.getWidth = function() {
            return this.getElement().offsetWidth;
        };

        this.destroy = function() {
            this.isOpen = false;
            if (this.$element && this.$element.parentNode) {
                this.$element.parentNode.removeChild(this.$element);
            }
        };

    }).call(Tooltip.prototype);

    exports.Tooltip = Tooltip;
});

define("ace/mouse/default_gutter_handler",["require","exports","module","ace/lib/dom","ace/lib/oop","ace/lib/event","ace/tooltip"], function(require, exports, module) {
    "use strict";
    var dom = require("../lib/dom");
    var oop = require("../lib/oop");
    var event = require("../lib/event");
    var Tooltip = require("../tooltip").Tooltip;

    function GutterHandler(mouseHandler) {
        var editor = mouseHandler.editor;
        var gutter = editor.renderer.$gutterLayer;
        var tooltip = new GutterTooltip(editor.container);

        mouseHandler.editor.setDefaultHandler("guttermousedown", function(e) {
            if (!editor.isFocused() || e.getButton() != 0)
                return;
            var gutterRegion = gutter.getRegion(e);

            if (gutterRegion == "foldWidgets")
                return;

            var row = e.getDocumentPosition().row;
            var selection = editor.session.selection;

            if (e.getShiftKey())
                selection.selectTo(row, 0);
            else {
                if (e.domEvent.detail == 2) {
                    editor.selectAll();
                    return e.preventDefault();
                }
                mouseHandler.$clickSelection = editor.selection.getLineRange(row);
            }
            mouseHandler.setState("selectByLines");
            mouseHandler.captureMouse(e);
            return e.preventDefault();
        });


        var tooltipTimeout, mouseEvent, tooltipAnnotation;

        function showTooltip() {
            var row = mouseEvent.getDocumentPosition().row;
            var annotation = gutter.$annotations[row];
            if (!annotation)
                return hideTooltip();

            var maxRow = editor.session.getLength();
            if (row == maxRow) {
                var screenRow = editor.renderer.pixelToScreenCoordinates(0, mouseEvent.y).row;
                var pos = mouseEvent.$pos;
                if (screenRow > editor.session.documentToScreenRow(pos.row, pos.column))
                    return hideTooltip();
            }

            if (tooltipAnnotation == annotation)
                return;
            tooltipAnnotation = annotation.text.join("<br/>");

            tooltip.setHtml(tooltipAnnotation);

            var annotationClassName = annotation.className;
            if (annotationClassName) {
                tooltip.setClassName(annotationClassName.trim());
            }

            tooltip.show();
            editor._signal("showGutterTooltip", tooltip);
            editor.on("mousewheel", hideTooltip);

            if (mouseHandler.$tooltipFollowsMouse) {
                moveTooltip(mouseEvent);
            } else {
                var gutterElement = mouseEvent.domEvent.target;
                var rect = gutterElement.getBoundingClientRect();
                var style = tooltip.getElement().style;
                style.left = rect.right + "px";
                style.top = rect.bottom + "px";
            }
        }

        function hideTooltip() {
            if (tooltipTimeout)
                tooltipTimeout = clearTimeout(tooltipTimeout);
            if (tooltipAnnotation) {
                tooltip.hide();
                tooltipAnnotation = null;
                editor._signal("hideGutterTooltip", tooltip);
                editor.off("mousewheel", hideTooltip);
            }
        }

        function moveTooltip(e) {
            tooltip.setPosition(e.x, e.y);
        }

        mouseHandler.editor.setDefaultHandler("guttermousemove", function(e) {
            var target = e.domEvent.target || e.domEvent.srcElement;
            if (dom.hasCssClass(target, "ace_fold-widget"))
                return hideTooltip();

            if (tooltipAnnotation && mouseHandler.$tooltipFollowsMouse)
                moveTooltip(e);

            mouseEvent = e;
            if (tooltipTimeout)
                return;
            tooltipTimeout = setTimeout(function() {
                tooltipTimeout = null;
                if (mouseEvent && !mouseHandler.isMousePressed)
                    showTooltip();
                else
                    hideTooltip();
            }, 50);
        });

        event.addListener(editor.renderer.$gutter, "mouseout", function(e) {
            mouseEvent = null;
            if (!tooltipAnnotation || tooltipTimeout)
                return;

            tooltipTimeout = setTimeout(function() {
                tooltipTimeout = null;
                hideTooltip();
            }, 50);
        }, editor);

        editor.on("changeSession", hideTooltip);
    }

    function GutterTooltip(parentNode) {
        Tooltip.call(this, parentNode);
    }

    oop.inherits(GutterTooltip, Tooltip);

    (function(){
        this.setPosition = function(x, y) {
            var windowWidth = window.innerWidth || document.documentElement.clientWidth;
            var windowHeight = window.innerHeight || document.documentElement.clientHeight;
            var width = this.getWidth();
            var height = this.getHeight();
            x += 15;
            y += 15;
            if (x + width > windowWidth) {
                x -= (x + width) - windowWidth;
            }
            if (y + height > windowHeight) {
                y -= 20 + height;
            }
            Tooltip.prototype.setPosition.call(this, x, y);
        };

    }).call(GutterTooltip.prototype);



    exports.GutterHandler = GutterHandler;

});

define("ace/mouse/mouse_event",["require","exports","module","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var event = require("../lib/event");
    var useragent = require("../lib/useragent");
    var MouseEvent = exports.MouseEvent = function(domEvent, editor) {
        this.domEvent = domEvent;
        this.editor = editor;

        this.x = this.clientX = domEvent.clientX;
        this.y = this.clientY = domEvent.clientY;

        this.$pos = null;
        this.$inSelection = null;

        this.propagationStopped = false;
        this.defaultPrevented = false;
    };

    (function() {

        this.stopPropagation = function() {
            event.stopPropagation(this.domEvent);
            this.propagationStopped = true;
        };

        this.preventDefault = function() {
            event.preventDefault(this.domEvent);
            this.defaultPrevented = true;
        };

        this.stop = function() {
            this.stopPropagation();
            this.preventDefault();
        };
        this.getDocumentPosition = function() {
            if (this.$pos)
                return this.$pos;

            this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);
            return this.$pos;
        };
        this.inSelection = function() {
            if (this.$inSelection !== null)
                return this.$inSelection;

            var editor = this.editor;


            var selectionRange = editor.getSelectionRange();
            if (selectionRange.isEmpty())
                this.$inSelection = false;
            else {
                var pos = this.getDocumentPosition();
                this.$inSelection = selectionRange.contains(pos.row, pos.column);
            }

            return this.$inSelection;
        };
        this.getButton = function() {
            return event.getButton(this.domEvent);
        };
        this.getShiftKey = function() {
            return this.domEvent.shiftKey;
        };

        this.getAccelKey = useragent.isMac
            ? function() { return this.domEvent.metaKey; }
            : function() { return this.domEvent.ctrlKey; };

    }).call(MouseEvent.prototype);

});

define("ace/mouse/dragdrop_handler",["require","exports","module","ace/lib/dom","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var dom = require("../lib/dom");
    var event = require("../lib/event");
    var useragent = require("../lib/useragent");

    var AUTOSCROLL_DELAY = 200;
    var SCROLL_CURSOR_DELAY = 200;
    var SCROLL_CURSOR_HYSTERESIS = 5;

    function DragdropHandler(mouseHandler) {

        var editor = mouseHandler.editor;

        var dragImage = dom.createElement("div");
        dragImage.style.cssText = "top:-100px;position:absolute;z-index:2147483647;opacity:0.5";
        dragImage.textContent = "\xa0";

        var exports = ["dragWait", "dragWaitEnd", "startDrag", "dragReadyEnd", "onMouseDrag"];

        exports.forEach(function(x) {
            mouseHandler[x] = this[x];
        }, this);
        editor.on("mousedown", this.onMouseDown.bind(mouseHandler));

        var mouseTarget = editor.container;
        var dragSelectionMarker, x, y;
        var timerId, range;
        var dragCursor, counter = 0;
        var dragOperation;
        var isInternal;
        var autoScrollStartTime;
        var cursorMovedTime;
        var cursorPointOnCaretMoved;

        this.onDragStart = function(e) {
            if (this.cancelDrag || !mouseTarget.draggable) {
                var self = this;
                setTimeout(function(){
                    self.startSelect();
                    self.captureMouse(e);
                }, 0);
                return e.preventDefault();
            }
            range = editor.getSelectionRange();

            var dataTransfer = e.dataTransfer;
            dataTransfer.effectAllowed = editor.getReadOnly() ? "copy" : "copyMove";
            editor.container.appendChild(dragImage);

            dataTransfer.setDragImage && dataTransfer.setDragImage(dragImage, 0, 0);
            setTimeout(function() {
                editor.container.removeChild(dragImage);
            });
            dataTransfer.clearData();
            dataTransfer.setData("Text", editor.session.getTextRange());

            isInternal = true;
            this.setState("drag");
        };

        this.onDragEnd = function(e) {
            mouseTarget.draggable = false;
            isInternal = false;
            this.setState(null);
            if (!editor.getReadOnly()) {
                var dropEffect = e.dataTransfer.dropEffect;
                if (!dragOperation && dropEffect == "move")
                    editor.session.remove(editor.getSelectionRange());
                editor.$resetCursorStyle();
            }
            this.editor.unsetStyle("ace_dragging");
            this.editor.renderer.setCursorStyle("");
        };

        this.onDragEnter = function(e) {
            if (editor.getReadOnly() || !canAccept(e.dataTransfer))
                return;
            x = e.clientX;
            y = e.clientY;
            if (!dragSelectionMarker)
                addDragMarker();
            counter++;
            e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
            return event.preventDefault(e);
        };

        this.onDragOver = function(e) {
            if (editor.getReadOnly() || !canAccept(e.dataTransfer))
                return;
            x = e.clientX;
            y = e.clientY;
            if (!dragSelectionMarker) {
                addDragMarker();
                counter++;
            }
            if (onMouseMoveTimer !== null)
                onMouseMoveTimer = null;

            e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
            return event.preventDefault(e);
        };

        this.onDragLeave = function(e) {
            counter--;
            if (counter <= 0 && dragSelectionMarker) {
                clearDragMarker();
                dragOperation = null;
                return event.preventDefault(e);
            }
        };

        this.onDrop = function(e) {
            if (!dragCursor)
                return;
            var dataTransfer = e.dataTransfer;
            if (isInternal) {
                switch (dragOperation) {
                    case "move":
                        if (range.contains(dragCursor.row, dragCursor.column)) {
                            range = {
                                start: dragCursor,
                                end: dragCursor
                            };
                        } else {
                            range = editor.moveText(range, dragCursor);
                        }
                        break;
                    case "copy":
                        range = editor.moveText(range, dragCursor, true);
                        break;
                }
            } else {
                var dropData = dataTransfer.getData('Text');
                range = {
                    start: dragCursor,
                    end: editor.session.insert(dragCursor, dropData)
                };
                editor.focus();
                dragOperation = null;
            }
            clearDragMarker();
            return event.preventDefault(e);
        };

        event.addListener(mouseTarget, "dragstart", this.onDragStart.bind(mouseHandler), editor);
        event.addListener(mouseTarget, "dragend", this.onDragEnd.bind(mouseHandler), editor);
        event.addListener(mouseTarget, "dragenter", this.onDragEnter.bind(mouseHandler), editor);
        event.addListener(mouseTarget, "dragover", this.onDragOver.bind(mouseHandler), editor);
        event.addListener(mouseTarget, "dragleave", this.onDragLeave.bind(mouseHandler), editor);
        event.addListener(mouseTarget, "drop", this.onDrop.bind(mouseHandler), editor);

        function scrollCursorIntoView(cursor, prevCursor) {
            var now = Date.now();
            var vMovement = !prevCursor || cursor.row != prevCursor.row;
            var hMovement = !prevCursor || cursor.column != prevCursor.column;
            if (!cursorMovedTime || vMovement || hMovement) {
                editor.moveCursorToPosition(cursor);
                cursorMovedTime = now;
                cursorPointOnCaretMoved = {x: x, y: y};
            } else {
                var distance = calcDistance(cursorPointOnCaretMoved.x, cursorPointOnCaretMoved.y, x, y);
                if (distance > SCROLL_CURSOR_HYSTERESIS) {
                    cursorMovedTime = null;
                } else if (now - cursorMovedTime >= SCROLL_CURSOR_DELAY) {
                    editor.renderer.scrollCursorIntoView();
                    cursorMovedTime = null;
                }
            }
        }

        function autoScroll(cursor, prevCursor) {
            var now = Date.now();
            var lineHeight = editor.renderer.layerConfig.lineHeight;
            var characterWidth = editor.renderer.layerConfig.characterWidth;
            var editorRect = editor.renderer.scroller.getBoundingClientRect();
            var offsets = {
                x: {
                    left: x - editorRect.left,
                    right: editorRect.right - x
                },
                y: {
                    top: y - editorRect.top,
                    bottom: editorRect.bottom - y
                }
            };
            var nearestXOffset = Math.min(offsets.x.left, offsets.x.right);
            var nearestYOffset = Math.min(offsets.y.top, offsets.y.bottom);
            var scrollCursor = {row: cursor.row, column: cursor.column};
            if (nearestXOffset / characterWidth <= 2) {
                scrollCursor.column += (offsets.x.left < offsets.x.right ? -3 : +2);
            }
            if (nearestYOffset / lineHeight <= 1) {
                scrollCursor.row += (offsets.y.top < offsets.y.bottom ? -1 : +1);
            }
            var vScroll = cursor.row != scrollCursor.row;
            var hScroll = cursor.column != scrollCursor.column;
            var vMovement = !prevCursor || cursor.row != prevCursor.row;
            if (vScroll || (hScroll && !vMovement)) {
                if (!autoScrollStartTime)
                    autoScrollStartTime = now;
                else if (now - autoScrollStartTime >= AUTOSCROLL_DELAY)
                    editor.renderer.scrollCursorIntoView(scrollCursor);
            } else {
                autoScrollStartTime = null;
            }
        }

        function onDragInterval() {
            var prevCursor = dragCursor;
            dragCursor = editor.renderer.screenToTextCoordinates(x, y);
            scrollCursorIntoView(dragCursor, prevCursor);
            autoScroll(dragCursor, prevCursor);
        }

        function addDragMarker() {
            range = editor.selection.toOrientedRange();
            dragSelectionMarker = editor.session.addMarker(range, "ace_selection", editor.getSelectionStyle());
            editor.clearSelection();
            if (editor.isFocused())
                editor.renderer.$cursorLayer.setBlinking(false);
            clearInterval(timerId);
            onDragInterval();
            timerId = setInterval(onDragInterval, 20);
            counter = 0;
            event.addListener(document, "mousemove", onMouseMove);
        }

        function clearDragMarker() {
            clearInterval(timerId);
            editor.session.removeMarker(dragSelectionMarker);
            dragSelectionMarker = null;
            editor.selection.fromOrientedRange(range);
            if (editor.isFocused() && !isInternal)
                editor.$resetCursorStyle();
            range = null;
            dragCursor = null;
            counter = 0;
            autoScrollStartTime = null;
            cursorMovedTime = null;
            event.removeListener(document, "mousemove", onMouseMove);
        }
        var onMouseMoveTimer = null;
        function onMouseMove() {
            if (onMouseMoveTimer == null) {
                onMouseMoveTimer = setTimeout(function() {
                    if (onMouseMoveTimer != null && dragSelectionMarker)
                        clearDragMarker();
                }, 20);
            }
        }

        function canAccept(dataTransfer) {
            var types = dataTransfer.types;
            return !types || Array.prototype.some.call(types, function(type) {
                return type == 'text/plain' || type == 'Text';
            });
        }

        function getDropEffect(e) {
            var copyAllowed = ['copy', 'copymove', 'all', 'uninitialized'];
            var moveAllowed = ['move', 'copymove', 'linkmove', 'all', 'uninitialized'];

            var copyModifierState = useragent.isMac ? e.altKey : e.ctrlKey;
            var effectAllowed = "uninitialized";
            try {
                effectAllowed = e.dataTransfer.effectAllowed.toLowerCase();
            } catch (e) {}
            var dropEffect = "none";

            if (copyModifierState && copyAllowed.indexOf(effectAllowed) >= 0)
                dropEffect = "copy";
            else if (moveAllowed.indexOf(effectAllowed) >= 0)
                dropEffect = "move";
            else if (copyAllowed.indexOf(effectAllowed) >= 0)
                dropEffect = "copy";

            return dropEffect;
        }
    }

    (function() {

        this.dragWait = function() {
            var interval = Date.now() - this.mousedownEvent.time;
            if (interval > this.editor.getDragDelay())
                this.startDrag();
        };

        this.dragWaitEnd = function() {
            var target = this.editor.container;
            target.draggable = false;
            this.startSelect(this.mousedownEvent.getDocumentPosition());
            this.selectEnd();
        };

        this.dragReadyEnd = function(e) {
            this.editor.$resetCursorStyle();
            this.editor.unsetStyle("ace_dragging");
            this.editor.renderer.setCursorStyle("");
            this.dragWaitEnd();
        };

        this.startDrag = function(){
            this.cancelDrag = false;
            var editor = this.editor;
            var target = editor.container;
            target.draggable = true;
            editor.renderer.$cursorLayer.setBlinking(false);
            editor.setStyle("ace_dragging");
            var cursorStyle = useragent.isWin ? "default" : "move";
            editor.renderer.setCursorStyle(cursorStyle);
            this.setState("dragReady");
        };

        this.onMouseDrag = function(e) {
            var target = this.editor.container;
            if (useragent.isIE && this.state == "dragReady") {
                var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
                if (distance > 3)
                    target.dragDrop();
            }
            if (this.state === "dragWait") {
                var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
                if (distance > 0) {
                    target.draggable = false;
                    this.startSelect(this.mousedownEvent.getDocumentPosition());
                }
            }
        };

        this.onMouseDown = function(e) {
            if (!this.$dragEnabled)
                return;
            this.mousedownEvent = e;
            var editor = this.editor;

            var inSelection = e.inSelection();
            var button = e.getButton();
            var clickCount = e.domEvent.detail || 1;
            if (clickCount === 1 && button === 0 && inSelection) {
                if (e.editor.inMultiSelectMode && (e.getAccelKey() || e.getShiftKey()))
                    return;
                this.mousedownEvent.time = Date.now();
                var eventTarget = e.domEvent.target || e.domEvent.srcElement;
                if ("unselectable" in eventTarget)
                    eventTarget.unselectable = "on";
                if (editor.getDragDelay()) {
                    if (useragent.isWebKit) {
                        this.cancelDrag = true;
                        var mouseTarget = editor.container;
                        mouseTarget.draggable = true;
                    }
                    this.setState("dragWait");
                } else {
                    this.startDrag();
                }
                this.captureMouse(e, this.onMouseDrag.bind(this));
                e.defaultPrevented = true;
            }
        };

    }).call(DragdropHandler.prototype);


    function calcDistance(ax, ay, bx, by) {
        return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
    }

    exports.DragdropHandler = DragdropHandler;

});

define("ace/mouse/touch_handler",["require","exports","module","ace/mouse/mouse_event","ace/lib/event","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    var MouseEvent = require("./mouse_event").MouseEvent;
    var event = require("../lib/event");
    var dom = require("../lib/dom");

    exports.addTouchListeners = function(el, editor) {
        var mode = "scroll";
        var startX;
        var startY;
        var touchStartT;
        var lastT;
        var longTouchTimer;
        var animationTimer;
        var animationSteps = 0;
        var pos;
        var clickCount = 0;
        var vX = 0;
        var vY = 0;
        var pressed;
        var contextMenu;

        function createContextMenu() {
            var clipboard = window.navigator && window.navigator.clipboard;
            var isOpen = false;
            var updateMenu = function() {
                var selected = editor.getCopyText();
                var hasUndo = editor.session.getUndoManager().hasUndo();
                contextMenu.replaceChild(
                    dom.buildDom(isOpen ? ["span",
                        !selected && ["span", { class: "ace_mobile-button", action: "selectall" }, "Select All"],
                        selected && ["span", { class: "ace_mobile-button", action: "copy" }, "Copy"],
                        selected && ["span", { class: "ace_mobile-button", action: "cut" }, "Cut"],
                        clipboard && ["span", { class: "ace_mobile-button", action: "paste" }, "Paste"],
                        hasUndo && ["span", { class: "ace_mobile-button", action: "undo" }, "Undo"],
                        ["span", { class: "ace_mobile-button", action: "find" }, "Find"],
                        ["span", { class: "ace_mobile-button", action: "openCommandPallete" }, "Pallete"]
                    ] : ["span"]),
                    contextMenu.firstChild
                );
            };
            var handleClick = function(e) {
                var action = e.target.getAttribute("action");

                if (action == "more" || !isOpen) {
                    isOpen = !isOpen;
                    return updateMenu();
                }
                if (action == "paste") {
                    clipboard.readText().then(function (text) {
                        editor.execCommand(action, text);
                    });
                }
                else if (action) {
                    if (action == "cut" || action == "copy") {
                        if (clipboard)
                            clipboard.writeText(editor.getCopyText());
                        else
                            document.execCommand("copy");
                    }
                    editor.execCommand(action);
                }
                contextMenu.firstChild.style.display = "none";
                isOpen = false;
                if (action != "openCommandPallete")
                    editor.focus();
            };
            contextMenu = dom.buildDom(["div",
                {
                    class: "ace_mobile-menu",
                    ontouchstart: function(e) {
                        mode = "menu";
                        e.stopPropagation();
                        e.preventDefault();
                        editor.textInput.focus();
                    },
                    ontouchend: function(e) {
                        e.stopPropagation();
                        e.preventDefault();
                        handleClick(e);
                    },
                    onclick: handleClick
                },
                ["span"],
                ["span", { class: "ace_mobile-button", action: "more" }, "..."]
            ], editor.container);
        }
        function showContextMenu() {
            if (!contextMenu) createContextMenu();
            var cursor = editor.selection.cursor;
            var pagePos = editor.renderer.textToScreenCoordinates(cursor.row, cursor.column);
            var leftOffset = editor.renderer.textToScreenCoordinates(0, 0).pageX;
            var scrollLeft = editor.renderer.scrollLeft;
            var rect = editor.container.getBoundingClientRect();
            contextMenu.style.top = pagePos.pageY - rect.top - 3 + "px";
            if (pagePos.pageX - rect.left < rect.width - 70) {
                contextMenu.style.left = "";
                contextMenu.style.right = "10px";
            } else {
                contextMenu.style.right = "";
                contextMenu.style.left = leftOffset + scrollLeft - rect.left + "px";
            }
            contextMenu.style.display = "";
            contextMenu.firstChild.style.display = "none";
            editor.on("input", hideContextMenu);
        }
        function hideContextMenu(e) {
            if (contextMenu)
                contextMenu.style.display = "none";
            editor.off("input", hideContextMenu);
        }

        function handleLongTap() {
            longTouchTimer = null;
            clearTimeout(longTouchTimer);
            var range = editor.selection.getRange();
            var inSelection = range.contains(pos.row, pos.column);
            if (range.isEmpty() || !inSelection) {
                editor.selection.moveToPosition(pos);
                editor.selection.selectWord();
            }
            mode = "wait";
            showContextMenu();
        }
        function switchToSelectionMode() {
            longTouchTimer = null;
            clearTimeout(longTouchTimer);
            editor.selection.moveToPosition(pos);
            var range = clickCount >= 2
                ? editor.selection.getLineRange(pos.row)
                : editor.session.getBracketRange(pos);
            if (range && !range.isEmpty()) {
                editor.selection.setRange(range);
            } else {
                editor.selection.selectWord();
            }
            mode = "wait";
        }
        event.addListener(el, "contextmenu", function(e) {
            if (!pressed) return;
            var textarea = editor.textInput.getElement();
            textarea.focus();
        }, editor);
        event.addListener(el, "touchstart", function (e) {
            var touches = e.touches;
            if (longTouchTimer || touches.length > 1) {
                clearTimeout(longTouchTimer);
                longTouchTimer = null;
                touchStartT = -1;
                mode = "zoom";
                return;
            }

            pressed = editor.$mouseHandler.isMousePressed = true;
            var h = editor.renderer.layerConfig.lineHeight;
            var w = editor.renderer.layerConfig.lineHeight;
            var t = e.timeStamp;
            lastT = t;
            var touchObj = touches[0];
            var x = touchObj.clientX;
            var y = touchObj.clientY;
            if (Math.abs(startX - x) + Math.abs(startY - y) > h)
                touchStartT = -1;

            startX = e.clientX = x;
            startY = e.clientY = y;
            vX = vY = 0;

            var ev = new MouseEvent(e, editor);
            pos = ev.getDocumentPosition();

            if (t - touchStartT < 500 && touches.length == 1 && !animationSteps) {
                clickCount++;
                e.preventDefault();
                e.button = 0;
                switchToSelectionMode();
            } else {
                clickCount = 0;
                var cursor = editor.selection.cursor;
                var anchor = editor.selection.isEmpty() ? cursor : editor.selection.anchor;

                var cursorPos = editor.renderer.$cursorLayer.getPixelPosition(cursor, true);
                var anchorPos = editor.renderer.$cursorLayer.getPixelPosition(anchor, true);
                var rect = editor.renderer.scroller.getBoundingClientRect();
                var offsetTop = editor.renderer.layerConfig.offset;
                var offsetLeft = editor.renderer.scrollLeft;
                var weightedDistance = function(x, y) {
                    x = x / w;
                    y = y / h - 0.75;
                    return x * x + y * y;
                };

                if (e.clientX < rect.left) {
                    mode = "zoom";
                    return;
                }

                var diff1 = weightedDistance(
                    e.clientX - rect.left - cursorPos.left + offsetLeft,
                    e.clientY - rect.top - cursorPos.top + offsetTop
                );
                var diff2 = weightedDistance(
                    e.clientX - rect.left - anchorPos.left + offsetLeft,
                    e.clientY - rect.top - anchorPos.top + offsetTop
                );
                if (diff1 < 3.5 && diff2 < 3.5)
                    mode = diff1 > diff2 ? "cursor" : "anchor";

                if (diff2 < 3.5)
                    mode = "anchor";
                else if (diff1 < 3.5)
                    mode = "cursor";
                else
                    mode = "scroll";
                longTouchTimer = setTimeout(handleLongTap, 450);
            }
            touchStartT = t;
        }, editor);

        event.addListener(el, "touchend", function (e) {
            pressed = editor.$mouseHandler.isMousePressed = false;
            if (animationTimer) clearInterval(animationTimer);
            if (mode == "zoom") {
                mode = "";
                animationSteps = 0;
            } else if (longTouchTimer) {
                editor.selection.moveToPosition(pos);
                animationSteps = 0;
                showContextMenu();
            } else if (mode == "scroll") {
                animate();
                hideContextMenu();
            } else {
                showContextMenu();
            }
            clearTimeout(longTouchTimer);
            longTouchTimer = null;
        }, editor);
        event.addListener(el, "touchmove", function (e) {
            if (longTouchTimer) {
                clearTimeout(longTouchTimer);
                longTouchTimer = null;
            }
            var touches = e.touches;
            if (touches.length > 1 || mode == "zoom") return;

            var touchObj = touches[0];

            var wheelX = startX - touchObj.clientX;
            var wheelY = startY - touchObj.clientY;

            if (mode == "wait") {
                if (wheelX * wheelX + wheelY * wheelY > 4)
                    mode = "cursor";
                else
                    return e.preventDefault();
            }

            startX = touchObj.clientX;
            startY = touchObj.clientY;

            e.clientX = touchObj.clientX;
            e.clientY = touchObj.clientY;

            var t = e.timeStamp;
            var dt = t - lastT;
            lastT = t;
            if (mode == "scroll") {
                var mouseEvent = new MouseEvent(e, editor);
                mouseEvent.speed = 1;
                mouseEvent.wheelX = wheelX;
                mouseEvent.wheelY = wheelY;
                if (10 * Math.abs(wheelX) < Math.abs(wheelY)) wheelX = 0;
                if (10 * Math.abs(wheelY) < Math.abs(wheelX)) wheelY = 0;
                if (dt != 0) {
                    vX = wheelX / dt;
                    vY = wheelY / dt;
                }
                editor._emit("mousewheel", mouseEvent);
                if (!mouseEvent.propagationStopped) {
                    vX = vY = 0;
                }
            }
            else {
                var ev = new MouseEvent(e, editor);
                var pos = ev.getDocumentPosition();
                if (mode == "cursor")
                    editor.selection.moveCursorToPosition(pos);
                else if (mode == "anchor")
                    editor.selection.setSelectionAnchor(pos.row, pos.column);
                editor.renderer.scrollCursorIntoView(pos);
                e.preventDefault();
            }
        }, editor);

        function animate() {
            animationSteps += 60;
            animationTimer = setInterval(function() {
                if (animationSteps-- <= 0) {
                    clearInterval(animationTimer);
                    animationTimer = null;
                }
                if (Math.abs(vX) < 0.01) vX = 0;
                if (Math.abs(vY) < 0.01) vY = 0;
                if (animationSteps < 20) vX = 0.9 * vX;
                if (animationSteps < 20) vY = 0.9 * vY;
                var oldScrollTop = editor.session.getScrollTop();
                editor.renderer.scrollBy(10 * vX, 10 * vY);
                if (oldScrollTop == editor.session.getScrollTop())
                    animationSteps = 0;
            }, 10);
        }
    };

});

define("ace/lib/net",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
    "use strict";
    var dom = require("./dom");

    exports.get = function (url, callback) {
        var xhr = new XMLHttpRequest();
        xhr.open('GET', url, true);
        xhr.onreadystatechange = function () {
            if (xhr.readyState === 4) {
                callback(xhr.responseText);
            }
        };
        xhr.send(null);
    };

    exports.loadScript = function(path, callback) {
        var head = dom.getDocumentHead();
        var s = document.createElement('script');

        s.src = path;
        head.appendChild(s);

        s.onload = s.onreadystatechange = function(_, isAbort) {
            if (isAbort || !s.readyState || s.readyState == "loaded" || s.readyState == "complete") {
                s = s.onload = s.onreadystatechange = null;
                if (!isAbort)
                    callback();
            }
        };
    };
    exports.qualifyURL = function(url) {
        var a = document.createElement('a');
        a.href = url;
        return a.href;
    };

});

define("ace/lib/event_emitter",["require","exports","module"], function(require, exports, module) {
    "use strict";

    var EventEmitter = {};
    var stopPropagation = function() { this.propagationStopped = true; };
    var preventDefault = function() { this.defaultPrevented = true; };

    EventEmitter._emit =
        EventEmitter._dispatchEvent = function(eventName, e) {
            this._eventRegistry || (this._eventRegistry = {});
            this._defaultHandlers || (this._defaultHandlers = {});

            var listeners = this._eventRegistry[eventName] || [];
            var defaultHandler = this._defaultHandlers[eventName];
            if (!listeners.length && !defaultHandler)
                return;

            if (typeof e != "object" || !e)
                e = {};

            if (!e.type)
                e.type = eventName;
            if (!e.stopPropagation)
                e.stopPropagation = stopPropagation;
            if (!e.preventDefault)
                e.preventDefault = preventDefault;

            listeners = listeners.slice();
            for (var i=0; i<listeners.length; i++) {
                listeners[i](e, this);
                if (e.propagationStopped)
                    break;
            }

            if (defaultHandler && !e.defaultPrevented)
                return defaultHandler(e, this);
        };


    EventEmitter._signal = function(eventName, e) {
        var listeners = (this._eventRegistry || {})[eventName];
        if (!listeners)
            return;
        listeners = listeners.slice();
        for (var i=0; i<listeners.length; i++)
            listeners[i](e, this);
    };

    EventEmitter.once = function(eventName, callback) {
        var _self = this;
        this.on(eventName, function newCallback() {
            _self.off(eventName, newCallback);
            callback.apply(null, arguments);
        });
        if (!callback) {
            return new Promise(function(resolve) {
                callback = resolve;
            });
        }
    };


    EventEmitter.setDefaultHandler = function(eventName, callback) {
        var handlers = this._defaultHandlers;
        if (!handlers)
            handlers = this._defaultHandlers = {_disabled_: {}};

        if (handlers[eventName]) {
            var old = handlers[eventName];
            var disabled = handlers._disabled_[eventName];
            if (!disabled)
                handlers._disabled_[eventName] = disabled = [];
            disabled.push(old);
            var i = disabled.indexOf(callback);
            if (i != -1)
                disabled.splice(i, 1);
        }
        handlers[eventName] = callback;
    };
    EventEmitter.removeDefaultHandler = function(eventName, callback) {
        var handlers = this._defaultHandlers;
        if (!handlers)
            return;
        var disabled = handlers._disabled_[eventName];

        if (handlers[eventName] == callback) {
            if (disabled)
                this.setDefaultHandler(eventName, disabled.pop());
        } else if (disabled) {
            var i = disabled.indexOf(callback);
            if (i != -1)
                disabled.splice(i, 1);
        }
    };

    EventEmitter.on =
        EventEmitter.addEventListener = function(eventName, callback, capturing) {
            this._eventRegistry = this._eventRegistry || {};

            var listeners = this._eventRegistry[eventName];
            if (!listeners)
                listeners = this._eventRegistry[eventName] = [];

            if (listeners.indexOf(callback) == -1)
                listeners[capturing ? "unshift" : "push"](callback);
            return callback;
        };

    EventEmitter.off =
        EventEmitter.removeListener =
            EventEmitter.removeEventListener = function(eventName, callback) {
                this._eventRegistry = this._eventRegistry || {};

                var listeners = this._eventRegistry[eventName];
                if (!listeners)
                    return;

                var index = listeners.indexOf(callback);
                if (index !== -1)
                    listeners.splice(index, 1);
            };

    EventEmitter.removeAllListeners = function(eventName) {
        if (!eventName) this._eventRegistry = this._defaultHandlers = undefined;
        if (this._eventRegistry) this._eventRegistry[eventName] = undefined;
        if (this._defaultHandlers) this._defaultHandlers[eventName] = undefined;
    };

    exports.EventEmitter = EventEmitter;

});

define("ace/lib/app_config",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
    "no use strict";

    var oop = require("./oop");
    var EventEmitter = require("./event_emitter").EventEmitter;

    var optionsProvider = {
        setOptions: function(optList) {
            Object.keys(optList).forEach(function(key) {
                this.setOption(key, optList[key]);
            }, this);
        },
        getOptions: function(optionNames) {
            var result = {};
            if (!optionNames) {
                var options = this.$options;
                optionNames = Object.keys(options).filter(function(key) {
                    return !options[key].hidden;
                });
            } else if (!Array.isArray(optionNames)) {
                result = optionNames;
                optionNames = Object.keys(result);
            }
            optionNames.forEach(function(key) {
                result[key] = this.getOption(key);
            }, this);
            return result;
        },
        setOption: function(name, value) {
            if (this["$" + name] === value)
                return;
            var opt = this.$options[name];
            if (!opt) {
                return warn('misspelled option "' + name + '"');
            }
            if (opt.forwardTo)
                return this[opt.forwardTo] && this[opt.forwardTo].setOption(name, value);

            if (!opt.handlesSet)
                this["$" + name] = value;
            if (opt && opt.set)
                opt.set.call(this, value);
        },
        getOption: function(name) {
            var opt = this.$options[name];
            if (!opt) {
                return warn('misspelled option "' + name + '"');
            }
            if (opt.forwardTo)
                return this[opt.forwardTo] && this[opt.forwardTo].getOption(name);
            return opt && opt.get ? opt.get.call(this) : this["$" + name];
        }
    };

    function warn(message) {
        if (typeof console != "undefined" && console.warn)
            console.warn.apply(console, arguments);
    }

    function reportError(msg, data) {
        var e = new Error(msg);
        e.data = data;
        if (typeof console == "object" && console.error)
            console.error(e);
        setTimeout(function() { throw e; });
    }

    var AppConfig = function() {
        this.$defaultOptions = {};
    };

    (function() {
        oop.implement(this, EventEmitter);
        this.defineOptions = function(obj, path, options) {
            if (!obj.$options)
                this.$defaultOptions[path] = obj.$options = {};

            Object.keys(options).forEach(function(key) {
                var opt = options[key];
                if (typeof opt == "string")
                    opt = {forwardTo: opt};

                opt.name || (opt.name = key);
                obj.$options[opt.name] = opt;
                if ("initialValue" in opt)
                    obj["$" + opt.name] = opt.initialValue;
            });
            oop.implement(obj, optionsProvider);

            return this;
        };

        this.resetOptions = function(obj) {
            Object.keys(obj.$options).forEach(function(key) {
                var opt = obj.$options[key];
                if ("value" in opt)
                    obj.setOption(key, opt.value);
            });
        };

        this.setDefaultValue = function(path, name, value) {
            if (!path) {
                for (path in this.$defaultOptions)
                    if (this.$defaultOptions[path][name])
                        break;
                if (!this.$defaultOptions[path][name])
                    return false;
            }
            var opts = this.$defaultOptions[path] || (this.$defaultOptions[path] = {});
            if (opts[name]) {
                if (opts.forwardTo)
                    this.setDefaultValue(opts.forwardTo, name, value);
                else
                    opts[name].value = value;
            }
        };

        this.setDefaultValues = function(path, optionHash) {
            Object.keys(optionHash).forEach(function(key) {
                this.setDefaultValue(path, key, optionHash[key]);
            }, this);
        };

        this.warn = warn;
        this.reportError = reportError;

    }).call(AppConfig.prototype);

    exports.AppConfig = AppConfig;

});

define("ace/config",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/lib/net","ace/lib/dom","ace/lib/app_config"], function(require, exports, module) {
    "no use strict";

    var lang = require("./lib/lang");
    var oop = require("./lib/oop");
    var net = require("./lib/net");
    var dom = require("./lib/dom");
    var AppConfig = require("./lib/app_config").AppConfig;

    module.exports = exports = new AppConfig();

    var global = (function() {
        return this || typeof window != "undefined" && window;
    })();

    var options = {
        packaged: false,
        workerPath: null,
        modePath: null,
        themePath: null,
        basePath: "",
        suffix: ".js",
        $moduleUrls: {},
        loadWorkerFromBlob: true,
        sharedPopups: false,
        useStrictCSP: null
    };

    exports.get = function(key) {
        if (!options.hasOwnProperty(key))
            throw new Error("Unknown config key: " + key);
        return options[key];
    };

    exports.set = function(key, value) {
        if (options.hasOwnProperty(key))
            options[key] = value;
        else if (this.setDefaultValue("", key, value) == false)
            throw new Error("Unknown config key: " + key);
        if (key == "useStrictCSP")
            dom.useStrictCSP(value);
    };

    exports.all = function() {
        return lang.copyObject(options);
    };

    exports.$modes = {};
    exports.moduleUrl = function(name, component) {
        if (options.$moduleUrls[name])
            return options.$moduleUrls[name];

        var parts = name.split("/");
        component = component || parts[parts.length - 2] || "";
        var sep = component == "snippets" ? "/" : "-";
        var base = parts[parts.length - 1];
        if (component == "worker" && sep == "-") {
            var re = new RegExp("^" + component + "[\\-_]|[\\-_]" + component + "$", "g");
            base = base.replace(re, "");
        }

        if ((!base || base == component) && parts.length > 1)
            base = parts[parts.length - 2];
        var path = options[component + "Path"];
        if (path == null) {
            path = options.basePath;
        } else if (sep == "/") {
            component = sep = "";
        }
        if (path && path.slice(-1) != "/")
            path += "/";
        return path + component + sep + base + this.get("suffix");
    };

    exports.setModuleUrl = function(name, subst) {
        return options.$moduleUrls[name] = subst;
    };

    exports.$loading = {};
    exports.loadModule = function(moduleName, onLoad) {
        var module, moduleType;
        if (Array.isArray(moduleName)) {
            moduleType = moduleName[0];
            moduleName = moduleName[1];
        }

        try {
            module = require(moduleName);
        } catch (e) {}
        if (module && !exports.$loading[moduleName])
            return onLoad && onLoad(module);

        if (!exports.$loading[moduleName])
            exports.$loading[moduleName] = [];

        exports.$loading[moduleName].push(onLoad);

        if (exports.$loading[moduleName].length > 1)
            return;

        var afterLoad = function() {
            require([moduleName], function(module) {
                exports._emit("load.module", {name: moduleName, module: module});
                var listeners = exports.$loading[moduleName];
                exports.$loading[moduleName] = null;
                listeners.forEach(function(onLoad) {
                    onLoad && onLoad(module);
                });
            });
        };

        if (!exports.get("packaged"))
            return afterLoad();

        net.loadScript(exports.moduleUrl(moduleName, moduleType), afterLoad);
        reportErrorIfPathIsNotConfigured();
    };

    var reportErrorIfPathIsNotConfigured = function() {
        if (
            !options.basePath && !options.workerPath
            && !options.modePath && !options.themePath
            && !Object.keys(options.$moduleUrls).length
        ) {
            console.error(
                "Unable to infer path to ace from script src,",
                "use ace.config.set('basePath', 'path') to enable dynamic loading of modes and themes",
                "or with webpack use ace/webpack-resolver"
            );
            reportErrorIfPathIsNotConfigured = function() {};
        }
    };
    init(true);function init(packaged) {

        if (!global || !global.document)
            return;

        options.packaged = packaged || require.packaged || module.packaged || (global.define && define.packaged);

        var scriptOptions = {};
        var scriptUrl = "";
        var currentScript = (document.currentScript || document._currentScript ); // native or polyfill
        var currentDocument = currentScript && currentScript.ownerDocument || document;

        var scripts = currentDocument.getElementsByTagName("script");
        for (var i=0; i<scripts.length; i++) {
            var script = scripts[i];

            var src = script.src || script.getAttribute("src");
            if (!src)
                continue;

            var attributes = script.attributes;
            for (var j=0, l=attributes.length; j < l; j++) {
                var attr = attributes[j];
                if (attr.name.indexOf("data-ace-") === 0) {
                    scriptOptions[deHyphenate(attr.name.replace(/^data-ace-/, ""))] = attr.value;
                }
            }

            var m = src.match(/^(.*)\/ace(\-\w+)?\.js(\?|$)/);
            if (m)
                scriptUrl = m[1];
        }

        if (scriptUrl) {
            scriptOptions.base = scriptOptions.base || scriptUrl;
            scriptOptions.packaged = true;
        }

        scriptOptions.basePath = scriptOptions.base;
        scriptOptions.workerPath = scriptOptions.workerPath || scriptOptions.base;
        scriptOptions.modePath = scriptOptions.modePath || scriptOptions.base;
        scriptOptions.themePath = scriptOptions.themePath || scriptOptions.base;
        delete scriptOptions.base;

        for (var key in scriptOptions)
            if (typeof scriptOptions[key] !== "undefined")
                exports.set(key, scriptOptions[key]);
    }

    exports.init = init;

    function deHyphenate(str) {
        return str.replace(/-(.)/g, function(m, m1) { return m1.toUpperCase(); });
    }

    exports.version = "1.6.0";

});

define("ace/mouse/mouse_handler",["require","exports","module","ace/lib/event","ace/lib/useragent","ace/mouse/default_handlers","ace/mouse/default_gutter_handler","ace/mouse/mouse_event","ace/mouse/dragdrop_handler","ace/mouse/touch_handler","ace/config"], function(require, exports, module) {
    "use strict";

    var event = require("../lib/event");
    var useragent = require("../lib/useragent");
    var DefaultHandlers = require("./default_handlers").DefaultHandlers;
    var DefaultGutterHandler = require("./default_gutter_handler").GutterHandler;
    var MouseEvent = require("./mouse_event").MouseEvent;
    var DragdropHandler = require("./dragdrop_handler").DragdropHandler;
    var addTouchListeners = require("./touch_handler").addTouchListeners;
    var config = require("../config");

    var MouseHandler = function(editor) {
        var _self = this;
        this.editor = editor;

        new DefaultHandlers(this);
        new DefaultGutterHandler(this);
        new DragdropHandler(this);

        var focusEditor = function(e) {
            var windowBlurred = !document.hasFocus || !document.hasFocus()
                || !editor.isFocused() && document.activeElement == (editor.textInput && editor.textInput.getElement());
            if (windowBlurred)
                window.focus();
            editor.focus();
            setTimeout(function () {
                if (!editor.isFocused()) editor.focus();
            });
        };

        var mouseTarget = editor.renderer.getMouseEventTarget();
        event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"), editor);
        event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"), editor);
        event.addMultiMouseDownListener([
            mouseTarget,
            editor.renderer.scrollBarV && editor.renderer.scrollBarV.inner,
            editor.renderer.scrollBarH && editor.renderer.scrollBarH.inner,
            editor.textInput && editor.textInput.getElement()
        ].filter(Boolean), [400, 300, 250], this, "onMouseEvent", editor);
        event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, "mousewheel"), editor);
        addTouchListeners(editor.container, editor);

        var gutterEl = editor.renderer.$gutter;
        event.addListener(gutterEl, "mousedown", this.onMouseEvent.bind(this, "guttermousedown"), editor);
        event.addListener(gutterEl, "click", this.onMouseEvent.bind(this, "gutterclick"), editor);
        event.addListener(gutterEl, "dblclick", this.onMouseEvent.bind(this, "gutterdblclick"), editor);
        event.addListener(gutterEl, "mousemove", this.onMouseEvent.bind(this, "guttermousemove"), editor);

        event.addListener(mouseTarget, "mousedown", focusEditor, editor);
        event.addListener(gutterEl, "mousedown", focusEditor, editor);
        if (useragent.isIE && editor.renderer.scrollBarV) {
            event.addListener(editor.renderer.scrollBarV.element, "mousedown", focusEditor, editor);
            event.addListener(editor.renderer.scrollBarH.element, "mousedown", focusEditor, editor);
        }

        editor.on("mousemove", function(e){
            if (_self.state || _self.$dragDelay || !_self.$dragEnabled)
                return;

            var character = editor.renderer.screenToTextCoordinates(e.x, e.y);
            var range = editor.session.selection.getRange();
            var renderer = editor.renderer;

            if (!range.isEmpty() && range.insideStart(character.row, character.column)) {
                renderer.setCursorStyle("default");
            } else {
                renderer.setCursorStyle("");
            }
        }, editor);
    };

    (function() {
        this.onMouseEvent = function(name, e) {
            if (!this.editor.session) return;
            this.editor._emit(name, new MouseEvent(e, this.editor));
        };

        this.onMouseMove = function(name, e) {
            var listeners = this.editor._eventRegistry && this.editor._eventRegistry.mousemove;
            if (!listeners || !listeners.length)
                return;

            this.editor._emit(name, new MouseEvent(e, this.editor));
        };

        this.onMouseWheel = function(name, e) {
            var mouseEvent = new MouseEvent(e, this.editor);
            mouseEvent.speed = this.$scrollSpeed * 2;
            mouseEvent.wheelX = e.wheelX;
            mouseEvent.wheelY = e.wheelY;

            this.editor._emit(name, mouseEvent);
        };

        this.setState = function(state) {
            this.state = state;
        };

        this.captureMouse = function(ev, mouseMoveHandler) {
            this.x = ev.x;
            this.y = ev.y;

            this.isMousePressed = true;
            var editor = this.editor;
            var renderer = this.editor.renderer;
            renderer.$isMousePressed = true;

            var self = this;
            var onMouseMove = function(e) {
                if (!e) return;
                if (useragent.isWebKit && !e.which && self.releaseMouse)
                    return self.releaseMouse();

                self.x = e.clientX;
                self.y = e.clientY;
                mouseMoveHandler && mouseMoveHandler(e);
                self.mouseEvent = new MouseEvent(e, self.editor);
                self.$mouseMoved = true;
            };

            var onCaptureEnd = function(e) {
                editor.off("beforeEndOperation", onOperationEnd);
                clearInterval(timerId);
                if (editor.session) onCaptureInterval();
                self[self.state + "End"] && self[self.state + "End"](e);
                self.state = "";
                self.isMousePressed = renderer.$isMousePressed = false;
                if (renderer.$keepTextAreaAtCursor)
                    renderer.$moveTextAreaToCursor();
                self.$onCaptureMouseMove = self.releaseMouse = null;
                e && self.onMouseEvent("mouseup", e);
                editor.endOperation();
            };

            var onCaptureInterval = function() {
                self[self.state] && self[self.state]();
                self.$mouseMoved = false;
            };

            if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
                return setTimeout(function() {onCaptureEnd(ev);});
            }

            var onOperationEnd = function(e) {
                if (!self.releaseMouse) return;
                if (editor.curOp.command.name && editor.curOp.selectionChanged) {
                    self[self.state + "End"] && self[self.state + "End"]();
                    self.state = "";
                    self.releaseMouse();
                }
            };

            editor.on("beforeEndOperation", onOperationEnd);
            editor.startOperation({command: {name: "mouse"}});

            self.$onCaptureMouseMove = onMouseMove;
            self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
            var timerId = setInterval(onCaptureInterval, 20);
        };
        this.releaseMouse = null;
        this.cancelContextMenu = function() {
            var stop = function(e) {
                if (e && e.domEvent && e.domEvent.type != "contextmenu")
                    return;
                this.editor.off("nativecontextmenu", stop);
                if (e && e.domEvent)
                    event.stopEvent(e.domEvent);
            }.bind(this);
            setTimeout(stop, 10);
            this.editor.on("nativecontextmenu", stop);
        };
        this.destroy = function() {
            if (this.releaseMouse) this.releaseMouse();
        };
    }).call(MouseHandler.prototype);

    config.defineOptions(MouseHandler.prototype, "mouseHandler", {
        scrollSpeed: {initialValue: 2},
        dragDelay: {initialValue: (useragent.isMac ? 150 : 0)},
        dragEnabled: {initialValue: true},
        focusTimeout: {initialValue: 0},
        tooltipFollowsMouse: {initialValue: true}
    });


    exports.MouseHandler = MouseHandler;
});

define("ace/mouse/fold_handler",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
    "use strict";
    var dom = require("../lib/dom");

    function FoldHandler(editor) {

        editor.on("click", function(e) {
            var position = e.getDocumentPosition();
            var session = editor.session;
            var fold = session.getFoldAt(position.row, position.column, 1);
            if (fold) {
                if (e.getAccelKey())
                    session.removeFold(fold);
                else
                    session.expandFold(fold);

                e.stop();
            }

            var target = e.domEvent && e.domEvent.target;
            if (target && dom.hasCssClass(target, "ace_inline_button")) {
                if (dom.hasCssClass(target, "ace_toggle_wrap")) {
                    session.setOption("wrap", !session.getUseWrapMode());
                    editor.renderer.scrollCursorIntoView();
                }
            }
        });

        editor.on("gutterclick", function(e) {
            var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);

            if (gutterRegion == "foldWidgets") {
                var row = e.getDocumentPosition().row;
                var session = editor.session;
                if (session.foldWidgets && session.foldWidgets[row])
                    editor.session.onFoldWidgetClick(row, e);
                if (!editor.isFocused())
                    editor.focus();
                e.stop();
            }
        });

        editor.on("gutterdblclick", function(e) {
            var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);

            if (gutterRegion == "foldWidgets") {
                var row = e.getDocumentPosition().row;
                var session = editor.session;
                var data = session.getParentFoldRangeData(row, true);
                var range = data.range || data.firstRange;

                if (range) {
                    row = range.start.row;
                    var fold = session.getFoldAt(row, session.getLine(row).length, 1);

                    if (fold) {
                        session.removeFold(fold);
                    } else {
                        session.addFold("...", range);
                        editor.renderer.scrollCursorIntoView({row: range.start.row, column: 0});
                    }
                }
                e.stop();
            }
        });
    }

    exports.FoldHandler = FoldHandler;

});

define("ace/keyboard/keybinding",["require","exports","module","ace/lib/keys","ace/lib/event"], function(require, exports, module) {
    "use strict";

    var keyUtil  = require("../lib/keys");
    var event = require("../lib/event");

    var KeyBinding = function(editor) {
        this.$editor = editor;
        this.$data = {editor: editor};
        this.$handlers = [];
        this.setDefaultHandler(editor.commands);
    };

    (function() {
        this.setDefaultHandler = function(kb) {
            this.removeKeyboardHandler(this.$defaultHandler);
            this.$defaultHandler = kb;
            this.addKeyboardHandler(kb, 0);
        };

        this.setKeyboardHandler = function(kb) {
            var h = this.$handlers;
            if (h[h.length - 1] == kb)
                return;

            while (h[h.length - 1] && h[h.length - 1] != this.$defaultHandler)
                this.removeKeyboardHandler(h[h.length - 1]);

            this.addKeyboardHandler(kb, 1);
        };

        this.addKeyboardHandler = function(kb, pos) {
            if (!kb)
                return;
            if (typeof kb == "function" && !kb.handleKeyboard)
                kb.handleKeyboard = kb;
            var i = this.$handlers.indexOf(kb);
            if (i != -1)
                this.$handlers.splice(i, 1);

            if (pos == undefined)
                this.$handlers.push(kb);
            else
                this.$handlers.splice(pos, 0, kb);

            if (i == -1 && kb.attach)
                kb.attach(this.$editor);
        };

        this.removeKeyboardHandler = function(kb) {
            var i = this.$handlers.indexOf(kb);
            if (i == -1)
                return false;
            this.$handlers.splice(i, 1);
            kb.detach && kb.detach(this.$editor);
            return true;
        };

        this.getKeyboardHandler = function() {
            return this.$handlers[this.$handlers.length - 1];
        };

        this.getStatusText = function() {
            var data = this.$data;
            var editor = data.editor;
            return this.$handlers.map(function(h) {
                return h.getStatusText && h.getStatusText(editor, data) || "";
            }).filter(Boolean).join(" ");
        };

        this.$callKeyboardHandlers = function(hashId, keyString, keyCode, e) {
            var toExecute;
            var success = false;
            var commands = this.$editor.commands;

            for (var i = this.$handlers.length; i--;) {
                toExecute = this.$handlers[i].handleKeyboard(
                    this.$data, hashId, keyString, keyCode, e
                );
                if (!toExecute || !toExecute.command)
                    continue;
                if (toExecute.command == "null") {
                    success = true;
                } else {
                    success = commands.exec(toExecute.command, this.$editor, toExecute.args, e);
                }
                if (success && e && hashId != -1 &&
                    toExecute.passEvent != true && toExecute.command.passEvent != true
                ) {
                    event.stopEvent(e);
                }
                if (success)
                    break;
            }

            if (!success && hashId == -1) {
                toExecute = {command: "insertstring"};
                success = commands.exec("insertstring", this.$editor, keyString);
            }

            if (success && this.$editor._signal)
                this.$editor._signal("keyboardActivity", toExecute);

            return success;
        };

        this.onCommandKey = function(e, hashId, keyCode) {
            var keyString = keyUtil.keyCodeToString(keyCode);
            return this.$callKeyboardHandlers(hashId, keyString, keyCode, e);
        };

        this.onTextInput = function(text) {
            return this.$callKeyboardHandlers(-1, text);
        };

    }).call(KeyBinding.prototype);

    exports.KeyBinding = KeyBinding;
});

define("ace/lib/bidiutil",["require","exports","module"], function(require, exports, module) {
    "use strict";

    var ArabicAlefBetIntervalsBegine = ['\u0621', '\u0641'];
    var ArabicAlefBetIntervalsEnd = ['\u063A', '\u064a'];
    var dir = 0, hiLevel = 0;
    var lastArabic = false, hasUBAT_AL = false,  hasUBAT_B = false,  hasUBAT_S = false, hasBlockSep = false, hasSegSep = false;

    var impTab_LTR = [	[	0,		3,		0,		1,		0,		0,		0	],	[	0,		3,		0,		1,		2,		2,		0	],	[	0,		3,		0,		0x11,		2,		0,		1	],	[	0,		3,		5,		5,		4,		1,		0	],	[	0,		3,		0x15,		0x15,		4,		0,		1	],	[	0,		3,		5,		5,		4,		2,		0	]
    ];

    var impTab_RTL = [	[	2,		0,		1,		1,		0,		1,		0	],	[	2,		0,		1,		1,		0,		2,		0	],	[	2,		0,		2,		1,		3,		2,		0	],	[	2,		0,		2,		0x21,		3,		1,		1	]
    ];

    var LTR = 0, RTL = 1;

    var L = 0;
    var R = 1;
    var EN = 2;
    var AN = 3;
    var ON = 4;
    var B = 5;
    var S = 6;
    var AL = 7;
    var WS = 8;
    var CS = 9;
    var ES = 10;
    var ET = 11;
    var NSM = 12;
    var LRE = 13;
    var RLE = 14;
    var PDF = 15;
    var LRO = 16;
    var RLO = 17;
    var BN = 18;

    var UnicodeTBL00 = [
        BN,BN,BN,BN,BN,BN,BN,BN,BN,S,B,S,WS,B,BN,BN,
        BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,B,B,B,S,
        WS,ON,ON,ET,ET,ET,ON,ON,ON,ON,ON,ES,CS,ES,CS,CS,
        EN,EN,EN,EN,EN,EN,EN,EN,EN,EN,CS,ON,ON,ON,ON,ON,
        ON,L,L,L,L,L,L,L,L,L,L,L,L,L,L,L,
        L,L,L,L,L,L,L,L,L,L,L,ON,ON,ON,ON,ON,
        ON,L,L,L,L,L,L,L,L,L,L,L,L,L,L,L,
        L,L,L,L,L,L,L,L,L,L,L,ON,ON,ON,ON,BN,
        BN,BN,BN,BN,BN,B,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,
        BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,
        CS,ON,ET,ET,ET,ET,ON,ON,ON,ON,L,ON,ON,BN,ON,ON,
        ET,ET,EN,EN,ON,L,ON,ON,ON,EN,L,ON,ON,ON,ON,ON
    ];

    var UnicodeTBL20 = [
        WS,WS,WS,WS,WS,WS,WS,WS,WS,WS,WS,BN,BN,BN,L,R	,
        ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,
        ON,ON,ON,ON,ON,ON,ON,ON,WS,B,LRE,RLE,PDF,LRO,RLO,CS,
        ET,ET,ET,ET,ET,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,
        ON,ON,ON,ON,CS,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,
        ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,WS
    ];

    function _computeLevels(chars, levels, len, charTypes) {
        var impTab = dir ? impTab_RTL : impTab_LTR
            , prevState = null, newClass = null, newLevel = null, newState = 0
            , action = null, cond = null, condPos = -1, i = null, ix = null, classes = [];

        if (!charTypes) {
            for (i = 0, charTypes = []; i < len; i++) {
                charTypes[i] = _getCharacterType(chars[i]);
            }
        }
        hiLevel = dir;
        lastArabic = false;
        hasUBAT_AL = false;
        hasUBAT_B = false;
        hasUBAT_S = false;
        for (ix = 0; ix < len; ix++){
            prevState = newState;
            classes[ix] = newClass = _getCharClass(chars, charTypes, classes, ix);
            newState = impTab[prevState][newClass];
            action = newState & 0xF0;
            newState &= 0x0F;
            levels[ix] = newLevel = impTab[newState][5];
            if (action > 0){
                if (action == 0x10){
                    for(i = condPos; i < ix; i++){
                        levels[i] = 1;
                    }
                    condPos = -1;
                } else {
                    condPos = -1;
                }
            }
            cond = impTab[newState][6];
            if (cond){
                if(condPos == -1){
                    condPos = ix;
                }
            }else{
                if (condPos > -1){
                    for(i = condPos; i < ix; i++){
                        levels[i] = newLevel;
                    }
                    condPos = -1;
                }
            }
            if (charTypes[ix] == B){
                levels[ix] = 0;
            }
            hiLevel |= newLevel;
        }
        if (hasUBAT_S){
            for(i = 0; i < len; i++){
                if(charTypes[i] == S){
                    levels[i] = dir;
                    for(var j = i - 1; j >= 0; j--){
                        if(charTypes[j] == WS){
                            levels[j] = dir;
                        }else{
                            break;
                        }
                    }
                }
            }
        }
    }

    function _invertLevel(lev, levels, _array) {
        if (hiLevel < lev){
            return;
        }
        if (lev == 1 && dir == RTL && !hasUBAT_B){
            _array.reverse();
            return;
        }
        var len = _array.length, start = 0, end, lo, hi, tmp;
        while(start < len){
            if (levels[start] >= lev){
                end = start + 1;
                while(end < len && levels[end] >= lev){
                    end++;
                }
                for(lo = start, hi = end - 1 ; lo < hi; lo++, hi--){
                    tmp = _array[lo];
                    _array[lo] = _array[hi];
                    _array[hi] = tmp;
                }
                start = end;
            }
            start++;
        }
    }

    function _getCharClass(chars, types, classes, ix) {
        var cType = types[ix], wType, nType, len, i;
        switch(cType){
            case L:
            case R:
                lastArabic = false;
            case ON:
            case AN:
                return cType;
            case EN:
                return lastArabic ? AN : EN;
            case AL:
                lastArabic = true;
                hasUBAT_AL = true;
                return R;
            case WS:
                return ON;
            case CS:
                if (ix < 1 || (ix + 1) >= types.length ||
                    ((wType = classes[ix - 1]) != EN && wType != AN) ||
                    ((nType = types[ix + 1]) != EN && nType != AN)){
                    return ON;
                }
                if (lastArabic){nType = AN;}
                return nType == wType ? nType : ON;
            case ES:
                wType = ix > 0 ? classes[ix - 1] : B;
                if (wType == EN && (ix + 1) < types.length && types[ix + 1] == EN){
                    return EN;
                }
                return ON;
            case ET:
                if (ix > 0 && classes[ix - 1] == EN){
                    return EN;
                }
                if (lastArabic){
                    return ON;
                }
                i = ix + 1;
                len = types.length;
                while (i < len && types[i] == ET){
                    i++;
                }
                if (i < len && types[i] == EN){
                    return EN;
                }
                return ON;
            case NSM:
                len = types.length;
                i = ix + 1;
                while (i < len && types[i] == NSM){
                    i++;
                }
                if (i < len){
                    var c = chars[ix], rtlCandidate = (c >= 0x0591 && c <= 0x08FF) || c == 0xFB1E;

                    wType = types[i];
                    if (rtlCandidate && (wType == R || wType == AL)){
                        return R;
                    }
                }

                if (ix < 1 || (wType = types[ix - 1]) == B){
                    return ON;
                }
                return classes[ix - 1];
            case B:
                lastArabic = false;
                hasUBAT_B = true;
                return dir;
            case S:
                hasUBAT_S = true;
                return ON;
            case LRE:
            case RLE:
            case LRO:
            case RLO:
            case PDF:
                lastArabic = false;
            case BN:
                return ON;
        }
    }

    function _getCharacterType( ch ) {
        var uc = ch.charCodeAt(0), hi = uc >> 8;

        if (hi == 0) {
            return ((uc > 0x00BF) ? L : UnicodeTBL00[uc]);
        } else if (hi == 5) {
            return (/[\u0591-\u05f4]/.test(ch) ? R : L);
        } else if (hi == 6) {
            if (/[\u0610-\u061a\u064b-\u065f\u06d6-\u06e4\u06e7-\u06ed]/.test(ch))
                return NSM;
            else if (/[\u0660-\u0669\u066b-\u066c]/.test(ch))
                return AN;
            else if (uc == 0x066A)
                return ET;
            else if (/[\u06f0-\u06f9]/.test(ch))
                return EN;
            else
                return AL;
        } else if (hi == 0x20 && uc <= 0x205F) {
            return UnicodeTBL20[uc & 0xFF];
        } else if (hi == 0xFE) {
            return (uc >= 0xFE70 ? AL : ON);
        }
        return ON;
    }

    function _isArabicDiacritics( ch ) {
        return (ch >= '\u064b' && ch <= '\u0655');
    }
    exports.L = L;
    exports.R = R;
    exports.EN = EN;
    exports.ON_R = 3;
    exports.AN = 4;
    exports.R_H = 5;
    exports.B = 6;
    exports.RLE = 7;

    exports.DOT = "\xB7";
    exports.doBidiReorder = function(text, textCharTypes, isRtl) {
        if (text.length < 2)
            return {};

        var chars = text.split(""), logicalFromVisual = new Array(chars.length),
            bidiLevels = new Array(chars.length), levels = [];

        dir = isRtl ? RTL : LTR;

        _computeLevels(chars, levels, chars.length, textCharTypes);

        for (var i = 0; i < logicalFromVisual.length; logicalFromVisual[i] = i, i++);

        _invertLevel(2, levels, logicalFromVisual);
        _invertLevel(1, levels, logicalFromVisual);

        for (var i = 0; i < logicalFromVisual.length - 1; i++) { //fix levels to reflect character width
            if (textCharTypes[i] === AN) {
                levels[i] = exports.AN;
            } else if (levels[i] === R && ((textCharTypes[i] > AL && textCharTypes[i] < LRE)
                || textCharTypes[i] === ON || textCharTypes[i] === BN)) {
                levels[i] = exports.ON_R;
            } else if ((i > 0 && chars[i - 1] === '\u0644') && /\u0622|\u0623|\u0625|\u0627/.test(chars[i])) {
                levels[i - 1] = levels[i] = exports.R_H;
                i++;
            }
        }
        if (chars[chars.length - 1] === exports.DOT)
            levels[chars.length - 1] = exports.B;

        if (chars[0] === '\u202B')
            levels[0] = exports.RLE;

        for (var i = 0; i < logicalFromVisual.length; i++) {
            bidiLevels[i] = levels[logicalFromVisual[i]];
        }

        return {'logicalFromVisual': logicalFromVisual, 'bidiLevels': bidiLevels};
    };
    exports.hasBidiCharacters = function(text, textCharTypes){
        var ret = false;
        for (var i = 0; i < text.length; i++){
            textCharTypes[i] = _getCharacterType(text.charAt(i));
            if (!ret && (textCharTypes[i] == R || textCharTypes[i] == AL || textCharTypes[i] == AN))
                ret = true;
        }
        return ret;
    };
    exports.getVisualFromLogicalIdx = function(logIdx, rowMap) {
        for (var i = 0; i < rowMap.logicalFromVisual.length; i++) {
            if (rowMap.logicalFromVisual[i] == logIdx)
                return i;
        }
        return 0;
    };

});

define("ace/bidihandler",["require","exports","module","ace/lib/bidiutil","ace/lib/lang"], function(require, exports, module) {
    "use strict";

    var bidiUtil = require("./lib/bidiutil");
    var lang = require("./lib/lang");
    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\u202B]/;
    var BidiHandler = function(session) {
        this.session = session;
        this.bidiMap = {};
        this.currentRow = null;
        this.bidiUtil = bidiUtil;
        this.charWidths = [];
        this.EOL = "\xAC";
        this.showInvisibles = true;
        this.isRtlDir = false;
        this.$isRtl = false;
        this.line = "";
        this.wrapIndent = 0;
        this.EOF = "\xB6";
        this.RLE = "\u202B";
        this.contentWidth = 0;
        this.fontMetrics = null;
        this.rtlLineOffset = 0;
        this.wrapOffset = 0;
        this.isMoveLeftOperation = false;
        this.seenBidi = bidiRE.test(session.getValue());
    };

    (function() {
        this.isBidiRow = function(screenRow, docRow, splitIndex) {
            if (!this.seenBidi)
                return false;
            if (screenRow !== this.currentRow) {
                this.currentRow = screenRow;
                this.updateRowLine(docRow, splitIndex);
                this.updateBidiMap();
            }
            return this.bidiMap.bidiLevels;
        };

        this.onChange = function(delta) {
            if (!this.seenBidi) {
                if (delta.action == "insert" && bidiRE.test(delta.lines.join("\n"))) {
                    this.seenBidi = true;
                    this.currentRow = null;
                }
            }
            else {
                this.currentRow = null;
            }
        };

        this.getDocumentRow = function() {
            var docRow = 0;
            var rowCache = this.session.$screenRowCache;
            if (rowCache.length) {
                var index = this.session.$getRowCacheIndex(rowCache, this.currentRow);
                if (index >= 0)
                    docRow = this.session.$docRowCache[index];
            }

            return docRow;
        };

        this.getSplitIndex = function() {
            var splitIndex = 0;
            var rowCache = this.session.$screenRowCache;
            if (rowCache.length) {
                var currentIndex, prevIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow);
                while (this.currentRow - splitIndex > 0) {
                    currentIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow - splitIndex - 1);
                    if (currentIndex !== prevIndex)
                        break;

                    prevIndex = currentIndex;
                    splitIndex++;
                }
            } else {
                splitIndex = this.currentRow;
            }

            return splitIndex;
        };

        this.updateRowLine = function(docRow, splitIndex) {
            if (docRow === undefined)
                docRow = this.getDocumentRow();

            var isLastRow = (docRow === this.session.getLength() - 1),
                endOfLine = isLastRow ? this.EOF : this.EOL;

            this.wrapIndent = 0;
            this.line = this.session.getLine(docRow);
            this.isRtlDir = this.$isRtl || this.line.charAt(0) === this.RLE;
            if (this.session.$useWrapMode) {
                var splits = this.session.$wrapData[docRow];
                if (splits) {
                    if (splitIndex === undefined)
                        splitIndex = this.getSplitIndex();

                    if(splitIndex > 0 && splits.length) {
                        this.wrapIndent = splits.indent;
                        this.wrapOffset = this.wrapIndent * this.charWidths[bidiUtil.L];
                        this.line = (splitIndex < splits.length) ?
                            this.line.substring(splits[splitIndex - 1], splits[splitIndex]) :
                            this.line.substring(splits[splits.length - 1]);
                    } else {
                        this.line = this.line.substring(0, splits[splitIndex]);
                    }
                }
                if (splitIndex == splits.length)
                    this.line += (this.showInvisibles) ? endOfLine : bidiUtil.DOT;
            } else {
                this.line += this.showInvisibles ? endOfLine : bidiUtil.DOT;
            }
            var session = this.session, shift = 0, size;
            this.line = this.line.replace(/\t|[\u1100-\u2029, \u202F-\uFFE6]/g, function(ch, i){
                if (ch === '\t' || session.isFullWidth(ch.charCodeAt(0))) {
                    size = (ch === '\t') ? session.getScreenTabSize(i + shift) : 2;
                    shift += size - 1;
                    return lang.stringRepeat(bidiUtil.DOT, size);
                }
                return ch;
            });

            if (this.isRtlDir) {
                this.fontMetrics.$main.textContent = (this.line.charAt(this.line.length - 1) == bidiUtil.DOT) ? this.line.substr(0, this.line.length - 1) : this.line;
                this.rtlLineOffset = this.contentWidth - this.fontMetrics.$main.getBoundingClientRect().width;
            }
        };

        this.updateBidiMap = function() {
            var textCharTypes = [];
            if (bidiUtil.hasBidiCharacters(this.line, textCharTypes) || this.isRtlDir) {
                this.bidiMap = bidiUtil.doBidiReorder(this.line, textCharTypes, this.isRtlDir);
            } else {
                this.bidiMap = {};
            }
        };
        this.markAsDirty = function() {
            this.currentRow = null;
        };
        this.updateCharacterWidths = function(fontMetrics) {
            if (this.characterWidth === fontMetrics.$characterSize.width)
                return;

            this.fontMetrics = fontMetrics;
            var characterWidth = this.characterWidth = fontMetrics.$characterSize.width;
            var bidiCharWidth = fontMetrics.$measureCharWidth("\u05d4");

            this.charWidths[bidiUtil.L] = this.charWidths[bidiUtil.EN] = this.charWidths[bidiUtil.ON_R] = characterWidth;
            this.charWidths[bidiUtil.R] = this.charWidths[bidiUtil.AN] = bidiCharWidth;
            this.charWidths[bidiUtil.R_H] = bidiCharWidth * 0.45;
            this.charWidths[bidiUtil.B] = this.charWidths[bidiUtil.RLE] = 0;

            this.currentRow = null;
        };

        this.setShowInvisibles = function(showInvisibles) {
            this.showInvisibles = showInvisibles;
            this.currentRow = null;
        };

        this.setEolChar = function(eolChar) {
            this.EOL = eolChar;
        };

        this.setContentWidth = function(width) {
            this.contentWidth = width;
        };

        this.isRtlLine = function(row) {
            if (this.$isRtl) return true;
            if (row != undefined)
                return (this.session.getLine(row).charAt(0) == this.RLE);
            else
                return this.isRtlDir;
        };

        this.setRtlDirection = function(editor, isRtlDir) {
            var cursor = editor.getCursorPosition();
            for (var row = editor.selection.getSelectionAnchor().row; row <= cursor.row; row++) {
                if (!isRtlDir && editor.session.getLine(row).charAt(0) === editor.session.$bidiHandler.RLE)
                    editor.session.doc.removeInLine(row, 0, 1);
                else if (isRtlDir && editor.session.getLine(row).charAt(0) !== editor.session.$bidiHandler.RLE)
                    editor.session.doc.insert({column: 0, row: row}, editor.session.$bidiHandler.RLE);
            }
        };
        this.getPosLeft = function(col) {
            col -= this.wrapIndent;
            var leftBoundary = (this.line.charAt(0) === this.RLE) ? 1 : 0;
            var logicalIdx = (col > leftBoundary) ? (this.session.getOverwrite() ? col : col - 1) : leftBoundary;
            var visualIdx = bidiUtil.getVisualFromLogicalIdx(logicalIdx, this.bidiMap),
                levels = this.bidiMap.bidiLevels, left = 0;

            if (!this.session.getOverwrite() && col <= leftBoundary && levels[visualIdx] % 2 !== 0)
                visualIdx++;

            for (var i = 0; i < visualIdx; i++) {
                left += this.charWidths[levels[i]];
            }

            if (!this.session.getOverwrite() && (col > leftBoundary) && (levels[visualIdx] % 2 === 0))
                left += this.charWidths[levels[visualIdx]];

            if (this.wrapIndent)
                left += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;

            if (this.isRtlDir)
                left += this.rtlLineOffset;

            return left;
        };
        this.getSelections = function(startCol, endCol) {
            var map = this.bidiMap, levels = map.bidiLevels, level, selections = [], offset = 0,
                selColMin = Math.min(startCol, endCol) - this.wrapIndent, selColMax = Math.max(startCol, endCol) - this.wrapIndent,
                isSelected = false, isSelectedPrev = false, selectionStart = 0;

            if (this.wrapIndent)
                offset += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;

            for (var logIdx, visIdx = 0; visIdx < levels.length; visIdx++) {
                logIdx = map.logicalFromVisual[visIdx];
                level = levels[visIdx];
                isSelected = (logIdx >= selColMin) && (logIdx < selColMax);
                if (isSelected && !isSelectedPrev) {
                    selectionStart = offset;
                } else if (!isSelected && isSelectedPrev) {
                    selections.push({left: selectionStart, width: offset - selectionStart});
                }
                offset += this.charWidths[level];
                isSelectedPrev = isSelected;
            }

            if (isSelected && (visIdx === levels.length)) {
                selections.push({left: selectionStart, width: offset - selectionStart});
            }

            if(this.isRtlDir) {
                for (var i = 0; i < selections.length; i++) {
                    selections[i].left += this.rtlLineOffset;
                }
            }
            return selections;
        };
        this.offsetToCol = function(posX) {
            if(this.isRtlDir)
                posX -= this.rtlLineOffset;

            var logicalIdx = 0, posX = Math.max(posX, 0),
                offset = 0, visualIdx = 0, levels = this.bidiMap.bidiLevels,
                charWidth = this.charWidths[levels[visualIdx]];

            if (this.wrapIndent)
                posX -= this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;

            while(posX > offset + charWidth/2) {
                offset += charWidth;
                if(visualIdx === levels.length - 1) {
                    charWidth = 0;
                    break;
                }
                charWidth = this.charWidths[levels[++visualIdx]];
            }

            if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && (levels[visualIdx] % 2 === 0)){
                if(posX < offset)
                    visualIdx--;
                logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];

            } else if (visualIdx > 0 && (levels[visualIdx - 1] % 2 === 0) && (levels[visualIdx] % 2 !== 0)){
                logicalIdx = 1 + ((posX > offset) ? this.bidiMap.logicalFromVisual[visualIdx]
                    : this.bidiMap.logicalFromVisual[visualIdx - 1]);

            } else if ((this.isRtlDir && visualIdx === levels.length - 1 && charWidth === 0 && (levels[visualIdx - 1] % 2 === 0))
                || (!this.isRtlDir && visualIdx === 0 && (levels[visualIdx] % 2 !== 0))){
                logicalIdx = 1 + this.bidiMap.logicalFromVisual[visualIdx];
            } else {
                if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && charWidth !== 0)
                    visualIdx--;
                logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];
            }

            if (logicalIdx === 0 && this.isRtlDir)
                logicalIdx++;

            return (logicalIdx + this.wrapIndent);
        };

    }).call(BidiHandler.prototype);

    exports.BidiHandler = BidiHandler;
});

define("ace/selection",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter","ace/range"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var lang = require("./lib/lang");
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var Range = require("./range").Range;
    var Selection = function(session) {
        this.session = session;
        this.doc = session.getDocument();

        this.clearSelection();
        this.cursor = this.lead = this.doc.createAnchor(0, 0);
        this.anchor = this.doc.createAnchor(0, 0);
        this.$silent = false;

        var self = this;
        this.cursor.on("change", function(e) {
            self.$cursorChanged = true;
            if (!self.$silent)
                self._emit("changeCursor");
            if (!self.$isEmpty && !self.$silent)
                self._emit("changeSelection");
            if (!self.$keepDesiredColumnOnChange && e.old.column != e.value.column)
                self.$desiredColumn = null;
        });

        this.anchor.on("change", function() {
            self.$anchorChanged = true;
            if (!self.$isEmpty && !self.$silent)
                self._emit("changeSelection");
        });
    };

    (function() {

        oop.implement(this, EventEmitter);
        this.isEmpty = function() {
            return this.$isEmpty || (
                this.anchor.row == this.lead.row &&
                this.anchor.column == this.lead.column
            );
        };
        this.isMultiLine = function() {
            return !this.$isEmpty && this.anchor.row != this.cursor.row;
        };
        this.getCursor = function() {
            return this.lead.getPosition();
        };
        this.setSelectionAnchor = function(row, column) {
            this.$isEmpty = false;
            this.anchor.setPosition(row, column);
        };
        this.getAnchor =
            this.getSelectionAnchor = function() {
                if (this.$isEmpty)
                    return this.getSelectionLead();

                return this.anchor.getPosition();
            };
        this.getSelectionLead = function() {
            return this.lead.getPosition();
        };
        this.isBackwards = function() {
            var anchor = this.anchor;
            var lead = this.lead;
            return (anchor.row > lead.row || (anchor.row == lead.row && anchor.column > lead.column));
        };
        this.getRange = function() {
            var anchor = this.anchor;
            var lead = this.lead;

            if (this.$isEmpty)
                return Range.fromPoints(lead, lead);

            return this.isBackwards()
                ? Range.fromPoints(lead, anchor)
                : Range.fromPoints(anchor, lead);
        };
        this.clearSelection = function() {
            if (!this.$isEmpty) {
                this.$isEmpty = true;
                this._emit("changeSelection");
            }
        };
        this.selectAll = function() {
            this.$setSelection(0, 0, Number.MAX_VALUE, Number.MAX_VALUE);
        };
        this.setRange =
            this.setSelectionRange = function(range, reverse) {
                var start = reverse ? range.end : range.start;
                var end = reverse ? range.start : range.end;
                this.$setSelection(start.row, start.column, end.row, end.column);
            };

        this.$setSelection = function(anchorRow, anchorColumn, cursorRow, cursorColumn) {
            if (this.$silent)
                return;
            var wasEmpty = this.$isEmpty;
            var wasMultiselect = this.inMultiSelectMode;
            this.$silent = true;
            this.$cursorChanged = this.$anchorChanged = false;
            this.anchor.setPosition(anchorRow, anchorColumn);
            this.cursor.setPosition(cursorRow, cursorColumn);
            this.$isEmpty = !Range.comparePoints(this.anchor, this.cursor);
            this.$silent = false;
            if (this.$cursorChanged)
                this._emit("changeCursor");
            if (this.$cursorChanged || this.$anchorChanged || wasEmpty != this.$isEmpty || wasMultiselect)
                this._emit("changeSelection");
        };

        this.$moveSelection = function(mover) {
            var lead = this.lead;
            if (this.$isEmpty)
                this.setSelectionAnchor(lead.row, lead.column);

            mover.call(this);
        };
        this.selectTo = function(row, column) {
            this.$moveSelection(function() {
                this.moveCursorTo(row, column);
            });
        };
        this.selectToPosition = function(pos) {
            this.$moveSelection(function() {
                this.moveCursorToPosition(pos);
            });
        };
        this.moveTo = function(row, column) {
            this.clearSelection();
            this.moveCursorTo(row, column);
        };
        this.moveToPosition = function(pos) {
            this.clearSelection();
            this.moveCursorToPosition(pos);
        };
        this.selectUp = function() {
            this.$moveSelection(this.moveCursorUp);
        };
        this.selectDown = function() {
            this.$moveSelection(this.moveCursorDown);
        };
        this.selectRight = function() {
            this.$moveSelection(this.moveCursorRight);
        };
        this.selectLeft = function() {
            this.$moveSelection(this.moveCursorLeft);
        };
        this.selectLineStart = function() {
            this.$moveSelection(this.moveCursorLineStart);
        };
        this.selectLineEnd = function() {
            this.$moveSelection(this.moveCursorLineEnd);
        };
        this.selectFileEnd = function() {
            this.$moveSelection(this.moveCursorFileEnd);
        };
        this.selectFileStart = function() {
            this.$moveSelection(this.moveCursorFileStart);
        };
        this.selectWordRight = function() {
            this.$moveSelection(this.moveCursorWordRight);
        };
        this.selectWordLeft = function() {
            this.$moveSelection(this.moveCursorWordLeft);
        };
        this.getWordRange = function(row, column) {
            if (typeof column == "undefined") {
                var cursor = row || this.lead;
                row = cursor.row;
                column = cursor.column;
            }
            return this.session.getWordRange(row, column);
        };
        this.selectWord = function() {
            this.setSelectionRange(this.getWordRange());
        };
        this.selectAWord = function() {
            var cursor = this.getCursor();
            var range = this.session.getAWordRange(cursor.row, cursor.column);
            this.setSelectionRange(range);
        };

        this.getLineRange = function(row, excludeLastChar) {
            var rowStart = typeof row == "number" ? row : this.lead.row;
            var rowEnd;

            var foldLine = this.session.getFoldLine(rowStart);
            if (foldLine) {
                rowStart = foldLine.start.row;
                rowEnd = foldLine.end.row;
            } else {
                rowEnd = rowStart;
            }
            if (excludeLastChar === true)
                return new Range(rowStart, 0, rowEnd, this.session.getLine(rowEnd).length);
            else
                return new Range(rowStart, 0, rowEnd + 1, 0);
        };
        this.selectLine = function() {
            this.setSelectionRange(this.getLineRange());
        };
        this.moveCursorUp = function() {
            this.moveCursorBy(-1, 0);
        };
        this.moveCursorDown = function() {
            this.moveCursorBy(1, 0);
        };
        this.wouldMoveIntoSoftTab = function(cursor, tabSize, direction) {
            var start = cursor.column;
            var end = cursor.column + tabSize;

            if (direction < 0) {
                start = cursor.column - tabSize;
                end = cursor.column;
            }
            return this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(start, end).split(" ").length-1 == tabSize;
        };
        this.moveCursorLeft = function() {
            var cursor = this.lead.getPosition(),
                fold;

            if (fold = this.session.getFoldAt(cursor.row, cursor.column, -1)) {
                this.moveCursorTo(fold.start.row, fold.start.column);
            } else if (cursor.column === 0) {
                if (cursor.row > 0) {
                    this.moveCursorTo(cursor.row - 1, this.doc.getLine(cursor.row - 1).length);
                }
            }
            else {
                var tabSize = this.session.getTabSize();
                if (this.wouldMoveIntoSoftTab(cursor, tabSize, -1) && !this.session.getNavigateWithinSoftTabs()) {
                    this.moveCursorBy(0, -tabSize);
                } else {
                    this.moveCursorBy(0, -1);
                }
            }
        };
        this.moveCursorRight = function() {
            var cursor = this.lead.getPosition(),
                fold;
            if (fold = this.session.getFoldAt(cursor.row, cursor.column, 1)) {
                this.moveCursorTo(fold.end.row, fold.end.column);
            }
            else if (this.lead.column == this.doc.getLine(this.lead.row).length) {
                if (this.lead.row < this.doc.getLength() - 1) {
                    this.moveCursorTo(this.lead.row + 1, 0);
                }
            }
            else {
                var tabSize = this.session.getTabSize();
                var cursor = this.lead;
                if (this.wouldMoveIntoSoftTab(cursor, tabSize, 1) && !this.session.getNavigateWithinSoftTabs()) {
                    this.moveCursorBy(0, tabSize);
                } else {
                    this.moveCursorBy(0, 1);
                }
            }
        };
        this.moveCursorLineStart = function() {
            var row = this.lead.row;
            var column = this.lead.column;
            var screenRow = this.session.documentToScreenRow(row, column);
            var firstColumnPosition = this.session.screenToDocumentPosition(screenRow, 0);
            var beforeCursor = this.session.getDisplayLine(
                row, null, firstColumnPosition.row,
                firstColumnPosition.column
            );

            var leadingSpace = beforeCursor.match(/^\s*/);
            if (leadingSpace[0].length != column && !this.session.$useEmacsStyleLineStart)
                firstColumnPosition.column += leadingSpace[0].length;
            this.moveCursorToPosition(firstColumnPosition);
        };
        this.moveCursorLineEnd = function() {
            var lead = this.lead;
            var lineEnd = this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);
            if (this.lead.column == lineEnd.column) {
                var line = this.session.getLine(lineEnd.row);
                if (lineEnd.column == line.length) {
                    var textEnd = line.search(/\s+$/);
                    if (textEnd > 0)
                        lineEnd.column = textEnd;
                }
            }

            this.moveCursorTo(lineEnd.row, lineEnd.column);
        };
        this.moveCursorFileEnd = function() {
            var row = this.doc.getLength() - 1;
            var column = this.doc.getLine(row).length;
            this.moveCursorTo(row, column);
        };
        this.moveCursorFileStart = function() {
            this.moveCursorTo(0, 0);
        };
        this.moveCursorLongWordRight = function() {
            var row = this.lead.row;
            var column = this.lead.column;
            var line = this.doc.getLine(row);
            var rightOfCursor = line.substring(column);

            this.session.nonTokenRe.lastIndex = 0;
            this.session.tokenRe.lastIndex = 0;
            var fold = this.session.getFoldAt(row, column, 1);
            if (fold) {
                this.moveCursorTo(fold.end.row, fold.end.column);
                return;
            }
            if (this.session.nonTokenRe.exec(rightOfCursor)) {
                column += this.session.nonTokenRe.lastIndex;
                this.session.nonTokenRe.lastIndex = 0;
                rightOfCursor = line.substring(column);
            }
            if (column >= line.length) {
                this.moveCursorTo(row, line.length);
                this.moveCursorRight();
                if (row < this.doc.getLength() - 1)
                    this.moveCursorWordRight();
                return;
            }
            if (this.session.tokenRe.exec(rightOfCursor)) {
                column += this.session.tokenRe.lastIndex;
                this.session.tokenRe.lastIndex = 0;
            }

            this.moveCursorTo(row, column);
        };
        this.moveCursorLongWordLeft = function() {
            var row = this.lead.row;
            var column = this.lead.column;
            var fold;
            if (fold = this.session.getFoldAt(row, column, -1)) {
                this.moveCursorTo(fold.start.row, fold.start.column);
                return;
            }

            var str = this.session.getFoldStringAt(row, column, -1);
            if (str == null) {
                str = this.doc.getLine(row).substring(0, column);
            }

            var leftOfCursor = lang.stringReverse(str);
            this.session.nonTokenRe.lastIndex = 0;
            this.session.tokenRe.lastIndex = 0;
            if (this.session.nonTokenRe.exec(leftOfCursor)) {
                column -= this.session.nonTokenRe.lastIndex;
                leftOfCursor = leftOfCursor.slice(this.session.nonTokenRe.lastIndex);
                this.session.nonTokenRe.lastIndex = 0;
            }
            if (column <= 0) {
                this.moveCursorTo(row, 0);
                this.moveCursorLeft();
                if (row > 0)
                    this.moveCursorWordLeft();
                return;
            }
            if (this.session.tokenRe.exec(leftOfCursor)) {
                column -= this.session.tokenRe.lastIndex;
                this.session.tokenRe.lastIndex = 0;
            }

            this.moveCursorTo(row, column);
        };

        this.$shortWordEndIndex = function(rightOfCursor) {
            var index = 0, ch;
            var whitespaceRe = /\s/;
            var tokenRe = this.session.tokenRe;

            tokenRe.lastIndex = 0;
            if (this.session.tokenRe.exec(rightOfCursor)) {
                index = this.session.tokenRe.lastIndex;
            } else {
                while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
                    index ++;

                if (index < 1) {
                    tokenRe.lastIndex = 0;
                    while ((ch = rightOfCursor[index]) && !tokenRe.test(ch)) {
                        tokenRe.lastIndex = 0;
                        index ++;
                        if (whitespaceRe.test(ch)) {
                            if (index > 2) {
                                index--;
                                break;
                            } else {
                                while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
                                    index ++;
                                if (index > 2)
                                    break;
                            }
                        }
                    }
                }
            }
            tokenRe.lastIndex = 0;

            return index;
        };

        this.moveCursorShortWordRight = function() {
            var row = this.lead.row;
            var column = this.lead.column;
            var line = this.doc.getLine(row);
            var rightOfCursor = line.substring(column);

            var fold = this.session.getFoldAt(row, column, 1);
            if (fold)
                return this.moveCursorTo(fold.end.row, fold.end.column);

            if (column == line.length) {
                var l = this.doc.getLength();
                do {
                    row++;
                    rightOfCursor = this.doc.getLine(row);
                } while (row < l && /^\s*$/.test(rightOfCursor));

                if (!/^\s+/.test(rightOfCursor))
                    rightOfCursor = "";
                column = 0;
            }

            var index = this.$shortWordEndIndex(rightOfCursor);

            this.moveCursorTo(row, column + index);
        };

        this.moveCursorShortWordLeft = function() {
            var row = this.lead.row;
            var column = this.lead.column;

            var fold;
            if (fold = this.session.getFoldAt(row, column, -1))
                return this.moveCursorTo(fold.start.row, fold.start.column);

            var line = this.session.getLine(row).substring(0, column);
            if (column === 0) {
                do {
                    row--;
                    line = this.doc.getLine(row);
                } while (row > 0 && /^\s*$/.test(line));

                column = line.length;
                if (!/\s+$/.test(line))
                    line = "";
            }

            var leftOfCursor = lang.stringReverse(line);
            var index = this.$shortWordEndIndex(leftOfCursor);

            return this.moveCursorTo(row, column - index);
        };

        this.moveCursorWordRight = function() {
            if (this.session.$selectLongWords)
                this.moveCursorLongWordRight();
            else
                this.moveCursorShortWordRight();
        };

        this.moveCursorWordLeft = function() {
            if (this.session.$selectLongWords)
                this.moveCursorLongWordLeft();
            else
                this.moveCursorShortWordLeft();
        };
        this.moveCursorBy = function(rows, chars) {
            var screenPos = this.session.documentToScreenPosition(
                this.lead.row,
                this.lead.column
            );

            var offsetX;

            if (chars === 0) {
                if (rows !== 0) {
                    if (this.session.$bidiHandler.isBidiRow(screenPos.row, this.lead.row)) {
                        offsetX = this.session.$bidiHandler.getPosLeft(screenPos.column);
                        screenPos.column = Math.round(offsetX / this.session.$bidiHandler.charWidths[0]);
                    } else {
                        offsetX = screenPos.column * this.session.$bidiHandler.charWidths[0];
                    }
                }

                if (this.$desiredColumn)
                    screenPos.column = this.$desiredColumn;
                else
                    this.$desiredColumn = screenPos.column;
            }

            if (rows != 0 && this.session.lineWidgets && this.session.lineWidgets[this.lead.row]) {
                var widget = this.session.lineWidgets[this.lead.row];
                if (rows < 0)
                    rows -= widget.rowsAbove || 0;
                else if (rows > 0)
                    rows += widget.rowCount - (widget.rowsAbove || 0);
            }

            var docPos = this.session.screenToDocumentPosition(screenPos.row + rows, screenPos.column, offsetX);

            if (rows !== 0 && chars === 0 && docPos.row === this.lead.row && docPos.column === this.lead.column) {

            }
            this.moveCursorTo(docPos.row, docPos.column + chars, chars === 0);
        };
        this.moveCursorToPosition = function(position) {
            this.moveCursorTo(position.row, position.column);
        };
        this.moveCursorTo = function(row, column, keepDesiredColumn) {
            var fold = this.session.getFoldAt(row, column, 1);
            if (fold) {
                row = fold.start.row;
                column = fold.start.column;
            }

            this.$keepDesiredColumnOnChange = true;
            var line = this.session.getLine(row);
            if (/[\uDC00-\uDFFF]/.test(line.charAt(column)) && line.charAt(column - 1)) {
                if (this.lead.row == row && this.lead.column == column + 1)
                    column = column - 1;
                else
                    column = column + 1;
            }
            this.lead.setPosition(row, column);
            this.$keepDesiredColumnOnChange = false;

            if (!keepDesiredColumn)
                this.$desiredColumn = null;
        };
        this.moveCursorToScreen = function(row, column, keepDesiredColumn) {
            var pos = this.session.screenToDocumentPosition(row, column);
            this.moveCursorTo(pos.row, pos.column, keepDesiredColumn);
        };
        this.detach = function() {
            this.lead.detach();
            this.anchor.detach();
        };

        this.fromOrientedRange = function(range) {
            this.setSelectionRange(range, range.cursor == range.start);
            this.$desiredColumn = range.desiredColumn || this.$desiredColumn;
        };

        this.toOrientedRange = function(range) {
            var r = this.getRange();
            if (range) {
                range.start.column = r.start.column;
                range.start.row = r.start.row;
                range.end.column = r.end.column;
                range.end.row = r.end.row;
            } else {
                range = r;
            }

            range.cursor = this.isBackwards() ? range.start : range.end;
            range.desiredColumn = this.$desiredColumn;
            return range;
        };
        this.getRangeOfMovements = function(func) {
            var start = this.getCursor();
            try {
                func(this);
                var end = this.getCursor();
                return Range.fromPoints(start, end);
            } catch(e) {
                return Range.fromPoints(start, start);
            } finally {
                this.moveCursorToPosition(start);
            }
        };

        this.toJSON = function() {
            if (this.rangeCount) {
                var data = this.ranges.map(function(r) {
                    var r1 = r.clone();
                    r1.isBackwards = r.cursor == r.start;
                    return r1;
                });
            } else {
                var data = this.getRange();
                data.isBackwards = this.isBackwards();
            }
            return data;
        };

        this.fromJSON = function(data) {
            if (data.start == undefined) {
                if (this.rangeList && data.length > 1) {
                    this.toSingleRange(data[0]);
                    for (var i = data.length; i--; ) {
                        var r = Range.fromPoints(data[i].start, data[i].end);
                        if (data[i].isBackwards)
                            r.cursor = r.start;
                        this.addRange(r, true);
                    }
                    return;
                } else {
                    data = data[0];
                }
            }
            if (this.rangeList)
                this.toSingleRange(data);
            this.setSelectionRange(data, data.isBackwards);
        };

        this.isEqual = function(data) {
            if ((data.length || this.rangeCount) && data.length != this.rangeCount)
                return false;
            if (!data.length || !this.ranges)
                return this.getRange().isEqual(data);

            for (var i = this.ranges.length; i--; ) {
                if (!this.ranges[i].isEqual(data[i]))
                    return false;
            }
            return true;
        };

    }).call(Selection.prototype);

    exports.Selection = Selection;
});

define("ace/tokenizer",["require","exports","module","ace/config"], function(require, exports, module) {
    "use strict";

    var config = require("./config");
    var MAX_TOKEN_COUNT = 2000;
    var Tokenizer = function(rules) {
        this.states = rules;

        this.regExps = {};
        this.matchMappings = {};
        for (var key in this.states) {
            var state = this.states[key];
            var ruleRegExps = [];
            var matchTotal = 0;
            var mapping = this.matchMappings[key] = {defaultToken: "text"};
            var flag = "g";

            var splitterRurles = [];
            for (var i = 0; i < state.length; i++) {
                var rule = state[i];
                if (rule.defaultToken)
                    mapping.defaultToken = rule.defaultToken;
                if (rule.caseInsensitive && flag.indexOf("i") === -1)
                    flag += "i";
                if (rule.unicode && flag.indexOf("u") === -1)
                    flag += "u";
                if (rule.regex == null)
                    continue;

                if (rule.regex instanceof RegExp)
                    rule.regex = rule.regex.toString().slice(1, -1);
                var adjustedregex = rule.regex;
                var matchcount = new RegExp("(?:(" + adjustedregex + ")|(.))").exec("a").length - 2;
                if (Array.isArray(rule.token)) {
                    if (rule.token.length == 1 || matchcount == 1) {
                        rule.token = rule.token[0];
                    } else if (matchcount - 1 != rule.token.length) {
                        this.reportError("number of classes and regexp groups doesn't match", {
                            rule: rule,
                            groupCount: matchcount - 1
                        });
                        rule.token = rule.token[0];
                    } else {
                        rule.tokenArray = rule.token;
                        rule.token = null;
                        rule.onMatch = this.$arrayTokens;
                    }
                } else if (typeof rule.token == "function" && !rule.onMatch) {
                    if (matchcount > 1)
                        rule.onMatch = this.$applyToken;
                    else
                        rule.onMatch = rule.token;
                }

                if (matchcount > 1) {
                    if (/\\\d/.test(rule.regex)) {
                        adjustedregex = rule.regex.replace(/\\([0-9]+)/g, function(match, digit) {
                            return "\\" + (parseInt(digit, 10) + matchTotal + 1);
                        });
                    } else {
                        matchcount = 1;
                        adjustedregex = this.removeCapturingGroups(rule.regex);
                    }
                    if (!rule.splitRegex && typeof rule.token != "string")
                        splitterRurles.push(rule); // flag will be known only at the very end
                }

                mapping[matchTotal] = i;
                matchTotal += matchcount;

                ruleRegExps.push(adjustedregex);
                if (!rule.onMatch)
                    rule.onMatch = null;
            }

            if (!ruleRegExps.length) {
                mapping[0] = 0;
                ruleRegExps.push("$");
            }

            splitterRurles.forEach(function(rule) {
                rule.splitRegex = this.createSplitterRegexp(rule.regex, flag);
            }, this);

            this.regExps[key] = new RegExp("(" + ruleRegExps.join(")|(") + ")|($)", flag);
        }
    };

    (function() {
        this.$setMaxTokenCount = function(m) {
            MAX_TOKEN_COUNT = m | 0;
        };

        this.$applyToken = function(str) {
            var values = this.splitRegex.exec(str).slice(1);
            var types = this.token.apply(this, values);
            if (typeof types === "string")
                return [{type: types, value: str}];

            var tokens = [];
            for (var i = 0, l = types.length; i < l; i++) {
                if (values[i])
                    tokens[tokens.length] = {
                        type: types[i],
                        value: values[i]
                    };
            }
            return tokens;
        };

        this.$arrayTokens = function(str) {
            if (!str)
                return [];
            var values = this.splitRegex.exec(str);
            if (!values)
                return "text";
            var tokens = [];
            var types = this.tokenArray;
            for (var i = 0, l = types.length; i < l; i++) {
                if (values[i + 1])
                    tokens[tokens.length] = {
                        type: types[i],
                        value: values[i + 1]
                    };
            }
            return tokens;
        };

        this.removeCapturingGroups = function(src) {
            var r = src.replace(
                /\\.|\[(?:\\.|[^\\\]])*|\(\?[:=!<]|(\()/g,
                function(x, y) {return y ? "(?:" : x;}
            );
            return r;
        };

        this.createSplitterRegexp = function(src, flag) {
            if (src.indexOf("(?=") != -1) {
                var stack = 0;
                var inChClass = false;
                var lastCapture = {};
                src.replace(/(\\.)|(\((?:\?[=!])?)|(\))|([\[\]])/g, function(
                    m, esc, parenOpen, parenClose, square, index
                ) {
                    if (inChClass) {
                        inChClass = square != "]";
                    } else if (square) {
                        inChClass = true;
                    } else if (parenClose) {
                        if (stack == lastCapture.stack) {
                            lastCapture.end = index+1;
                            lastCapture.stack = -1;
                        }
                        stack--;
                    } else if (parenOpen) {
                        stack++;
                        if (parenOpen.length != 1) {
                            lastCapture.stack = stack;
                            lastCapture.start = index;
                        }
                    }
                    return m;
                });

                if (lastCapture.end != null && /^\)*$/.test(src.substr(lastCapture.end)))
                    src = src.substring(0, lastCapture.start) + src.substr(lastCapture.end);
            }
            if (src.charAt(0) != "^") src = "^" + src;
            if (src.charAt(src.length - 1) != "$") src += "$";

            return new RegExp(src, (flag||"").replace("g", ""));
        };
        this.getLineTokens = function(line, startState) {
            if (startState && typeof startState != "string") {
                var stack = startState.slice(0);
                startState = stack[0];
                if (startState === "#tmp") {
                    stack.shift();
                    startState = stack.shift();
                }
            } else
                var stack = [];

            var currentState = startState || "start";
            var state = this.states[currentState];
            if (!state) {
                currentState = "start";
                state = this.states[currentState];
            }
            var mapping = this.matchMappings[currentState];
            var re = this.regExps[currentState];
            re.lastIndex = 0;

            var match, tokens = [];
            var lastIndex = 0;
            var matchAttempts = 0;

            var token = {type: null, value: ""};

            while (match = re.exec(line)) {
                var type = mapping.defaultToken;
                var rule = null;
                var value = match[0];
                var index = re.lastIndex;

                if (index - value.length > lastIndex) {
                    var skipped = line.substring(lastIndex, index - value.length);
                    if (token.type == type) {
                        token.value += skipped;
                    } else {
                        if (token.type)
                            tokens.push(token);
                        token = {type: type, value: skipped};
                    }
                }

                for (var i = 0; i < match.length-2; i++) {
                    if (match[i + 1] === undefined)
                        continue;

                    rule = state[mapping[i]];

                    if (rule.onMatch)
                        type = rule.onMatch(value, currentState, stack, line);
                    else
                        type = rule.token;

                    if (rule.next) {
                        if (typeof rule.next == "string") {
                            currentState = rule.next;
                        } else {
                            currentState = rule.next(currentState, stack);
                        }

                        state = this.states[currentState];
                        if (!state) {
                            this.reportError("state doesn't exist", currentState);
                            currentState = "start";
                            state = this.states[currentState];
                        }
                        mapping = this.matchMappings[currentState];
                        lastIndex = index;
                        re = this.regExps[currentState];
                        re.lastIndex = index;
                    }
                    if (rule.consumeLineEnd)
                        lastIndex = index;
                    break;
                }

                if (value) {
                    if (typeof type === "string") {
                        if ((!rule || rule.merge !== false) && token.type === type) {
                            token.value += value;
                        } else {
                            if (token.type)
                                tokens.push(token);
                            token = {type: type, value: value};
                        }
                    } else if (type) {
                        if (token.type)
                            tokens.push(token);
                        token = {type: null, value: ""};
                        for (var i = 0; i < type.length; i++)
                            tokens.push(type[i]);
                    }
                }

                if (lastIndex == line.length)
                    break;

                lastIndex = index;

                if (matchAttempts++ > MAX_TOKEN_COUNT) {
                    if (matchAttempts > 2 * line.length) {
                        this.reportError("infinite loop with in ace tokenizer", {
                            startState: startState,
                            line: line
                        });
                    }
                    while (lastIndex < line.length) {
                        if (token.type)
                            tokens.push(token);
                        token = {
                            value: line.substring(lastIndex, lastIndex += 500),
                            type: "overflow"
                        };
                    }
                    currentState = "start";
                    stack = [];
                    break;
                }
            }

            if (token.type)
                tokens.push(token);

            if (stack.length > 1) {
                if (stack[0] !== currentState)
                    stack.unshift("#tmp", currentState);
            }
            return {
                tokens : tokens,
                state : stack.length ? stack : currentState
            };
        };

        this.reportError = config.reportError;

    }).call(Tokenizer.prototype);

    exports.Tokenizer = Tokenizer;
});

define("ace/mode/text_highlight_rules",["require","exports","module","ace/lib/lang"], function(require, exports, module) {
    "use strict";

    var lang = require("../lib/lang");

    var TextHighlightRules = function() {

        this.$rules = {
            "start" : [{
                token : "empty_line",
                regex : '^$'
            }, {
                defaultToken : "text"
            }]
        };
    };

    (function() {

        this.addRules = function(rules, prefix) {
            if (!prefix) {
                for (var key in rules)
                    this.$rules[key] = rules[key];
                return;
            }
            for (var key in rules) {
                var state = rules[key];
                for (var i = 0; i < state.length; i++) {
                    var rule = state[i];
                    if (rule.next || rule.onMatch) {
                        if (typeof rule.next == "string") {
                            if (rule.next.indexOf(prefix) !== 0)
                                rule.next = prefix + rule.next;
                        }
                        if (rule.nextState && rule.nextState.indexOf(prefix) !== 0)
                            rule.nextState = prefix + rule.nextState;
                    }
                }
                this.$rules[prefix + key] = state;
            }
        };

        this.getRules = function() {
            return this.$rules;
        };

        this.embedRules = function (HighlightRules, prefix, escapeRules, states, append) {
            var embedRules = typeof HighlightRules == "function"
                ? new HighlightRules().getRules()
                : HighlightRules;
            if (states) {
                for (var i = 0; i < states.length; i++)
                    states[i] = prefix + states[i];
            } else {
                states = [];
                for (var key in embedRules)
                    states.push(prefix + key);
            }

            this.addRules(embedRules, prefix);

            if (escapeRules) {
                var addRules = Array.prototype[append ? "push" : "unshift"];
                for (var i = 0; i < states.length; i++)
                    addRules.apply(this.$rules[states[i]], lang.deepCopy(escapeRules));
            }

            if (!this.$embeds)
                this.$embeds = [];
            this.$embeds.push(prefix);
        };

        this.getEmbeds = function() {
            return this.$embeds;
        };

        var pushState = function(currentState, stack) {
            if (currentState != "start" || stack.length)
                stack.unshift(this.nextState, currentState);
            return this.nextState;
        };
        var popState = function(currentState, stack) {
            stack.shift();
            return stack.shift() || "start";
        };

        this.normalizeRules = function() {
            var id = 0;
            var rules = this.$rules;
            function processState(key) {
                var state = rules[key];
                state.processed = true;
                for (var i = 0; i < state.length; i++) {
                    var rule = state[i];
                    var toInsert = null;
                    if (Array.isArray(rule)) {
                        toInsert = rule;
                        rule = {};
                    }
                    if (!rule.regex && rule.start) {
                        rule.regex = rule.start;
                        if (!rule.next)
                            rule.next = [];
                        rule.next.push({
                            defaultToken: rule.token
                        }, {
                            token: rule.token + ".end",
                            regex: rule.end || rule.start,
                            next: "pop"
                        });
                        rule.token = rule.token + ".start";
                        rule.push = true;
                    }
                    var next = rule.next || rule.push;
                    if (next && Array.isArray(next)) {
                        var stateName = rule.stateName;
                        if (!stateName)  {
                            stateName = rule.token;
                            if (typeof stateName != "string")
                                stateName = stateName[0] || "";
                            if (rules[stateName])
                                stateName += id++;
                        }
                        rules[stateName] = next;
                        rule.next = stateName;
                        processState(stateName);
                    } else if (next == "pop") {
                        rule.next = popState;
                    }

                    if (rule.push) {
                        rule.nextState = rule.next || rule.push;
                        rule.next = pushState;
                        delete rule.push;
                    }

                    if (rule.rules) {
                        for (var r in rule.rules) {
                            if (rules[r]) {
                                if (rules[r].push)
                                    rules[r].push.apply(rules[r], rule.rules[r]);
                            } else {
                                rules[r] = rule.rules[r];
                            }
                        }
                    }
                    var includeName = typeof rule == "string" ? rule : rule.include;
                    if (includeName) {
                        if (Array.isArray(includeName))
                            toInsert = includeName.map(function(x) { return rules[x]; });
                        else
                            toInsert = rules[includeName];
                    }

                    if (toInsert) {
                        var args = [i, 1].concat(toInsert);
                        if (rule.noEscape)
                            args = args.filter(function(x) {return !x.next;});
                        state.splice.apply(state, args);
                        i--;
                    }

                    if (rule.keywordMap) {
                        rule.token = this.createKeywordMapper(
                            rule.keywordMap, rule.defaultToken || "text", rule.caseInsensitive
                        );
                        delete rule.defaultToken;
                    }
                }
            }
            Object.keys(rules).forEach(processState, this);
        };

        this.createKeywordMapper = function(map, defaultToken, ignoreCase, splitChar) {
            var keywords = Object.create(null);
            this.$keywordList = [];
            Object.keys(map).forEach(function(className) {
                var a = map[className];
                var list = a.split(splitChar || "|");
                for (var i = list.length; i--; ) {
                    var word = list[i];
                    this.$keywordList.push(word);
                    if (ignoreCase)
                        word = word.toLowerCase();
                    keywords[word] = className;
                }
            }, this);
            map = null;
            return ignoreCase
                ? function(value) {return keywords[value.toLowerCase()] || defaultToken; }
                : function(value) {return keywords[value] || defaultToken; };
        };

        this.getKeywords = function() {
            return this.$keywords;
        };

    }).call(TextHighlightRules.prototype);

    exports.TextHighlightRules = TextHighlightRules;
});

define("ace/mode/behaviour",["require","exports","module"], function(require, exports, module) {
    "use strict";

    var Behaviour = function() {
        this.$behaviours = {};
    };

    (function () {

        this.add = function (name, action, callback) {
            switch (undefined) {
                case this.$behaviours:
                    this.$behaviours = {};
                case this.$behaviours[name]:
                    this.$behaviours[name] = {};
            }
            this.$behaviours[name][action] = callback;
        };

        this.addBehaviours = function (behaviours) {
            for (var key in behaviours) {
                for (var action in behaviours[key]) {
                    this.add(key, action, behaviours[key][action]);
                }
            }
        };

        this.remove = function (name) {
            if (this.$behaviours && this.$behaviours[name]) {
                delete this.$behaviours[name];
            }
        };

        this.inherit = function (mode, filter) {
            if (typeof mode === "function") {
                var behaviours = new mode().getBehaviours(filter);
            } else {
                var behaviours = mode.getBehaviours(filter);
            }
            this.addBehaviours(behaviours);
        };

        this.getBehaviours = function (filter) {
            if (!filter) {
                return this.$behaviours;
            } else {
                var ret = {};
                for (var i = 0; i < filter.length; i++) {
                    if (this.$behaviours[filter[i]]) {
                        ret[filter[i]] = this.$behaviours[filter[i]];
                    }
                }
                return ret;
            }
        };

    }).call(Behaviour.prototype);

    exports.Behaviour = Behaviour;
});

define("ace/token_iterator",["require","exports","module","ace/range"], function(require, exports, module) {
    "use strict";

    var Range = require("./range").Range;
    var TokenIterator = function(session, initialRow, initialColumn) {
        this.$session = session;
        this.$row = initialRow;
        this.$rowTokens = session.getTokens(initialRow);

        var token = session.getTokenAt(initialRow, initialColumn);
        this.$tokenIndex = token ? token.index : -1;
    };

    (function() {
        this.stepBackward = function() {
            this.$tokenIndex -= 1;

            while (this.$tokenIndex < 0) {
                this.$row -= 1;
                if (this.$row < 0) {
                    this.$row = 0;
                    return null;
                }

                this.$rowTokens = this.$session.getTokens(this.$row);
                this.$tokenIndex = this.$rowTokens.length - 1;
            }

            return this.$rowTokens[this.$tokenIndex];
        };
        this.stepForward = function() {
            this.$tokenIndex += 1;
            var rowCount;
            while (this.$tokenIndex >= this.$rowTokens.length) {
                this.$row += 1;
                if (!rowCount)
                    rowCount = this.$session.getLength();
                if (this.$row >= rowCount) {
                    this.$row = rowCount - 1;
                    return null;
                }

                this.$rowTokens = this.$session.getTokens(this.$row);
                this.$tokenIndex = 0;
            }

            return this.$rowTokens[this.$tokenIndex];
        };
        this.getCurrentToken = function () {
            return this.$rowTokens[this.$tokenIndex];
        };
        this.getCurrentTokenRow = function () {
            return this.$row;
        };
        this.getCurrentTokenColumn = function() {
            var rowTokens = this.$rowTokens;
            var tokenIndex = this.$tokenIndex;
            var column = rowTokens[tokenIndex].start;
            if (column !== undefined)
                return column;

            column = 0;
            while (tokenIndex > 0) {
                tokenIndex -= 1;
                column += rowTokens[tokenIndex].value.length;
            }

            return column;
        };
        this.getCurrentTokenPosition = function() {
            return {row: this.$row, column: this.getCurrentTokenColumn()};
        };
        this.getCurrentTokenRange = function() {
            var token = this.$rowTokens[this.$tokenIndex];
            var column = this.getCurrentTokenColumn();
            return new Range(this.$row, column, this.$row, column + token.value.length);
        };

    }).call(TokenIterator.prototype);

    exports.TokenIterator = TokenIterator;
});

define("ace/mode/behaviour/cstyle",["require","exports","module","ace/lib/oop","ace/mode/behaviour","ace/token_iterator","ace/lib/lang"], function(require, exports, module) {
    "use strict";

    var oop = require("../../lib/oop");
    var Behaviour = require("../behaviour").Behaviour;
    var TokenIterator = require("../../token_iterator").TokenIterator;
    var lang = require("../../lib/lang");

    var SAFE_INSERT_IN_TOKENS =
        ["text", "paren.rparen", "rparen", "paren", "punctuation.operator"];
    var SAFE_INSERT_BEFORE_TOKENS =
        ["text", "paren.rparen", "rparen", "paren", "punctuation.operator", "comment"];

    var context;
    var contextCache = {};
    var defaultQuotes = {'"' : '"', "'" : "'"};

    var initContext = function(editor) {
        var id = -1;
        if (editor.multiSelect) {
            id = editor.selection.index;
            if (contextCache.rangeCount != editor.multiSelect.rangeCount)
                contextCache = {rangeCount: editor.multiSelect.rangeCount};
        }
        if (contextCache[id])
            return context = contextCache[id];
        context = contextCache[id] = {
            autoInsertedBrackets: 0,
            autoInsertedRow: -1,
            autoInsertedLineEnd: "",
            maybeInsertedBrackets: 0,
            maybeInsertedRow: -1,
            maybeInsertedLineStart: "",
            maybeInsertedLineEnd: ""
        };
    };

    var getWrapped = function(selection, selected, opening, closing) {
        var rowDiff = selection.end.row - selection.start.row;
        return {
            text: opening + selected + closing,
            selection: [
                0,
                selection.start.column + 1,
                rowDiff,
                selection.end.column + (rowDiff ? 0 : 1)
            ]
        };
    };

    var CstyleBehaviour = function(options) {
        this.add("braces", "insertion", function(state, action, editor, session, text) {
            var cursor = editor.getCursorPosition();
            var line = session.doc.getLine(cursor.row);
            if (text == '{') {
                initContext(editor);
                var selection = editor.getSelectionRange();
                var selected = session.doc.getTextRange(selection);
                if (selected !== "" && selected !== "{" && editor.getWrapBehavioursEnabled()) {
                    return getWrapped(selection, selected, '{', '}');
                } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                    if (/[\]\}\)]/.test(line[cursor.column]) || editor.inMultiSelectMode || options && options.braces) {
                        CstyleBehaviour.recordAutoInsert(editor, session, "}");
                        return {
                            text: '{}',
                            selection: [1, 1]
                        };
                    } else {
                        CstyleBehaviour.recordMaybeInsert(editor, session, "{");
                        return {
                            text: '{',
                            selection: [1, 1]
                        };
                    }
                }
            } else if (text == '}') {
                initContext(editor);
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                if (rightChar == '}') {
                    var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
                    if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                        CstyleBehaviour.popAutoInsertedClosing();
                        return {
                            text: '',
                            selection: [1, 1]
                        };
                    }
                }
            } else if (text == "\n" || text == "\r\n") {
                initContext(editor);
                var closing = "";
                if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {
                    closing = lang.stringRepeat("}", context.maybeInsertedBrackets);
                    CstyleBehaviour.clearMaybeInsertedClosing();
                }
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                if (rightChar === '}') {
                    var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column+1}, '}');
                    if (!openBracePos)
                        return null;
                    var next_indent = this.$getIndent(session.getLine(openBracePos.row));
                } else if (closing) {
                    var next_indent = this.$getIndent(line);
                } else {
                    CstyleBehaviour.clearMaybeInsertedClosing();
                    return;
                }
                var indent = next_indent + session.getTabString();

                return {
                    text: '\n' + indent + '\n' + next_indent + closing,
                    selection: [1, indent.length, 1, indent.length]
                };
            } else {
                CstyleBehaviour.clearMaybeInsertedClosing();
            }
        });

        this.add("braces", "deletion", function(state, action, editor, session, range) {
            var selected = session.doc.getTextRange(range);
            if (!range.isMultiLine() && selected == '{') {
                initContext(editor);
                var line = session.doc.getLine(range.start.row);
                var rightChar = line.substring(range.end.column, range.end.column + 1);
                if (rightChar == '}') {
                    range.end.column++;
                    return range;
                } else {
                    context.maybeInsertedBrackets--;
                }
            }
        });

        this.add("parens", "insertion", function(state, action, editor, session, text) {
            if (text == '(') {
                initContext(editor);
                var selection = editor.getSelectionRange();
                var selected = session.doc.getTextRange(selection);
                if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                    return getWrapped(selection, selected, '(', ')');
                } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                    CstyleBehaviour.recordAutoInsert(editor, session, ")");
                    return {
                        text: '()',
                        selection: [1, 1]
                    };
                }
            } else if (text == ')') {
                initContext(editor);
                var cursor = editor.getCursorPosition();
                var line = session.doc.getLine(cursor.row);
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                if (rightChar == ')') {
                    var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
                    if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                        CstyleBehaviour.popAutoInsertedClosing();
                        return {
                            text: '',
                            selection: [1, 1]
                        };
                    }
                }
            }
        });

        this.add("parens", "deletion", function(state, action, editor, session, range) {
            var selected = session.doc.getTextRange(range);
            if (!range.isMultiLine() && selected == '(') {
                initContext(editor);
                var line = session.doc.getLine(range.start.row);
                var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
                if (rightChar == ')') {
                    range.end.column++;
                    return range;
                }
            }
        });

        this.add("brackets", "insertion", function(state, action, editor, session, text) {
            if (text == '[') {
                initContext(editor);
                var selection = editor.getSelectionRange();
                var selected = session.doc.getTextRange(selection);
                if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                    return getWrapped(selection, selected, '[', ']');
                } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                    CstyleBehaviour.recordAutoInsert(editor, session, "]");
                    return {
                        text: '[]',
                        selection: [1, 1]
                    };
                }
            } else if (text == ']') {
                initContext(editor);
                var cursor = editor.getCursorPosition();
                var line = session.doc.getLine(cursor.row);
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                if (rightChar == ']') {
                    var matching = session.$findOpeningBracket(']', {column: cursor.column + 1, row: cursor.row});
                    if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                        CstyleBehaviour.popAutoInsertedClosing();
                        return {
                            text: '',
                            selection: [1, 1]
                        };
                    }
                }
            }
        });

        this.add("brackets", "deletion", function(state, action, editor, session, range) {
            var selected = session.doc.getTextRange(range);
            if (!range.isMultiLine() && selected == '[') {
                initContext(editor);
                var line = session.doc.getLine(range.start.row);
                var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
                if (rightChar == ']') {
                    range.end.column++;
                    return range;
                }
            }
        });

        this.add("string_dquotes", "insertion", function(state, action, editor, session, text) {
            var quotes = session.$mode.$quotes || defaultQuotes;
            if (text.length == 1 && quotes[text]) {
                if (this.lineCommentStart && this.lineCommentStart.indexOf(text) != -1)
                    return;
                initContext(editor);
                var quote = text;
                var selection = editor.getSelectionRange();
                var selected = session.doc.getTextRange(selection);
                if (selected !== "" && (selected.length != 1 || !quotes[selected]) && editor.getWrapBehavioursEnabled()) {
                    return getWrapped(selection, selected, quote, quote);
                } else if (!selected) {
                    var cursor = editor.getCursorPosition();
                    var line = session.doc.getLine(cursor.row);
                    var leftChar = line.substring(cursor.column-1, cursor.column);
                    var rightChar = line.substring(cursor.column, cursor.column + 1);

                    var token = session.getTokenAt(cursor.row, cursor.column);
                    var rightToken = session.getTokenAt(cursor.row, cursor.column + 1);
                    if (leftChar == "\\" && token && /escape/.test(token.type))
                        return null;

                    var stringBefore = token && /string|escape/.test(token.type);
                    var stringAfter = !rightToken || /string|escape/.test(rightToken.type);

                    var pair;
                    if (rightChar == quote) {
                        pair = stringBefore !== stringAfter;
                        if (pair && /string\.end/.test(rightToken.type))
                            pair = false;
                    } else {
                        if (stringBefore && !stringAfter)
                            return null; // wrap string with different quote
                        if (stringBefore && stringAfter)
                            return null; // do not pair quotes inside strings
                        var wordRe = session.$mode.tokenRe;
                        wordRe.lastIndex = 0;
                        var isWordBefore = wordRe.test(leftChar);
                        wordRe.lastIndex = 0;
                        var isWordAfter = wordRe.test(leftChar);
                        if (isWordBefore || isWordAfter)
                            return null; // before or after alphanumeric
                        if (rightChar && !/[\s;,.})\]\\]/.test(rightChar))
                            return null; // there is rightChar and it isn't closing
                        var charBefore = line[cursor.column - 2];
                        if (leftChar == quote &&  (charBefore == quote || wordRe.test(charBefore)))
                            return null;
                        pair = true;
                    }
                    return {
                        text: pair ? quote + quote : "",
                        selection: [1,1]
                    };
                }
            }
        });

        this.add("string_dquotes", "deletion", function(state, action, editor, session, range) {
            var quotes = session.$mode.$quotes || defaultQuotes;

            var selected = session.doc.getTextRange(range);
            if (!range.isMultiLine() && quotes.hasOwnProperty(selected)) {
                initContext(editor);
                var line = session.doc.getLine(range.start.row);
                var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
                if (rightChar == selected) {
                    range.end.column++;
                    return range;
                }
            }
        });

    };


    CstyleBehaviour.isSaneInsertion = function(editor, session) {
        var cursor = editor.getCursorPosition();
        var iterator = new TokenIterator(session, cursor.row, cursor.column);
        if (!this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS)) {
            if (/[)}\]]/.test(editor.session.getLine(cursor.row)[cursor.column]))
                return true;
            var iterator2 = new TokenIterator(session, cursor.row, cursor.column + 1);
            if (!this.$matchTokenType(iterator2.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS))
                return false;
        }
        iterator.stepForward();
        return iterator.getCurrentTokenRow() !== cursor.row ||
            this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_BEFORE_TOKENS);
    };

    CstyleBehaviour.$matchTokenType = function(token, types) {
        return types.indexOf(token.type || token) > -1;
    };

    CstyleBehaviour.recordAutoInsert = function(editor, session, bracket) {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        if (!this.isAutoInsertedClosing(cursor, line, context.autoInsertedLineEnd[0]))
            context.autoInsertedBrackets = 0;
        context.autoInsertedRow = cursor.row;
        context.autoInsertedLineEnd = bracket + line.substr(cursor.column);
        context.autoInsertedBrackets++;
    };

    CstyleBehaviour.recordMaybeInsert = function(editor, session, bracket) {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        if (!this.isMaybeInsertedClosing(cursor, line))
            context.maybeInsertedBrackets = 0;
        context.maybeInsertedRow = cursor.row;
        context.maybeInsertedLineStart = line.substr(0, cursor.column) + bracket;
        context.maybeInsertedLineEnd = line.substr(cursor.column);
        context.maybeInsertedBrackets++;
    };

    CstyleBehaviour.isAutoInsertedClosing = function(cursor, line, bracket) {
        return context.autoInsertedBrackets > 0 &&
            cursor.row === context.autoInsertedRow &&
            bracket === context.autoInsertedLineEnd[0] &&
            line.substr(cursor.column) === context.autoInsertedLineEnd;
    };

    CstyleBehaviour.isMaybeInsertedClosing = function(cursor, line) {
        return context.maybeInsertedBrackets > 0 &&
            cursor.row === context.maybeInsertedRow &&
            line.substr(cursor.column) === context.maybeInsertedLineEnd &&
            line.substr(0, cursor.column) == context.maybeInsertedLineStart;
    };

    CstyleBehaviour.popAutoInsertedClosing = function() {
        context.autoInsertedLineEnd = context.autoInsertedLineEnd.substr(1);
        context.autoInsertedBrackets--;
    };

    CstyleBehaviour.clearMaybeInsertedClosing = function() {
        if (context) {
            context.maybeInsertedBrackets = 0;
            context.maybeInsertedRow = -1;
        }
    };



    oop.inherits(CstyleBehaviour, Behaviour);

    exports.CstyleBehaviour = CstyleBehaviour;
});

define("ace/unicode",["require","exports","module"], function(require, exports, module) {
    "use strict";
    var wordChars = [48,9,8,25,5,0,2,25,48,0,11,0,5,0,6,22,2,30,2,457,5,11,15,4,8,0,2,0,18,116,2,1,3,3,9,0,2,2,2,0,2,19,2,82,2,138,2,4,3,155,12,37,3,0,8,38,10,44,2,0,2,1,2,1,2,0,9,26,6,2,30,10,7,61,2,9,5,101,2,7,3,9,2,18,3,0,17,58,3,100,15,53,5,0,6,45,211,57,3,18,2,5,3,11,3,9,2,1,7,6,2,2,2,7,3,1,3,21,2,6,2,0,4,3,3,8,3,1,3,3,9,0,5,1,2,4,3,11,16,2,2,5,5,1,3,21,2,6,2,1,2,1,2,1,3,0,2,4,5,1,3,2,4,0,8,3,2,0,8,15,12,2,2,8,2,2,2,21,2,6,2,1,2,4,3,9,2,2,2,2,3,0,16,3,3,9,18,2,2,7,3,1,3,21,2,6,2,1,2,4,3,8,3,1,3,2,9,1,5,1,2,4,3,9,2,0,17,1,2,5,4,2,2,3,4,1,2,0,2,1,4,1,4,2,4,11,5,4,4,2,2,3,3,0,7,0,15,9,18,2,2,7,2,2,2,22,2,9,2,4,4,7,2,2,2,3,8,1,2,1,7,3,3,9,19,1,2,7,2,2,2,22,2,9,2,4,3,8,2,2,2,3,8,1,8,0,2,3,3,9,19,1,2,7,2,2,2,22,2,15,4,7,2,2,2,3,10,0,9,3,3,9,11,5,3,1,2,17,4,23,2,8,2,0,3,6,4,0,5,5,2,0,2,7,19,1,14,57,6,14,2,9,40,1,2,0,3,1,2,0,3,0,7,3,2,6,2,2,2,0,2,0,3,1,2,12,2,2,3,4,2,0,2,5,3,9,3,1,35,0,24,1,7,9,12,0,2,0,2,0,5,9,2,35,5,19,2,5,5,7,2,35,10,0,58,73,7,77,3,37,11,42,2,0,4,328,2,3,3,6,2,0,2,3,3,40,2,3,3,32,2,3,3,6,2,0,2,3,3,14,2,56,2,3,3,66,5,0,33,15,17,84,13,619,3,16,2,25,6,74,22,12,2,6,12,20,12,19,13,12,2,2,2,1,13,51,3,29,4,0,5,1,3,9,34,2,3,9,7,87,9,42,6,69,11,28,4,11,5,11,11,39,3,4,12,43,5,25,7,10,38,27,5,62,2,28,3,10,7,9,14,0,89,75,5,9,18,8,13,42,4,11,71,55,9,9,4,48,83,2,2,30,14,230,23,280,3,5,3,37,3,5,3,7,2,0,2,0,2,0,2,30,3,52,2,6,2,0,4,2,2,6,4,3,3,5,5,12,6,2,2,6,67,1,20,0,29,0,14,0,17,4,60,12,5,0,4,11,18,0,5,0,3,9,2,0,4,4,7,0,2,0,2,0,2,3,2,10,3,3,6,4,5,0,53,1,2684,46,2,46,2,132,7,6,15,37,11,53,10,0,17,22,10,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,31,48,0,470,1,36,5,2,4,6,1,5,85,3,1,3,2,2,89,2,3,6,40,4,93,18,23,57,15,513,6581,75,20939,53,1164,68,45,3,268,4,27,21,31,3,13,13,1,2,24,9,69,11,1,38,8,3,102,3,1,111,44,25,51,13,68,12,9,7,23,4,0,5,45,3,35,13,28,4,64,15,10,39,54,10,13,3,9,7,22,4,1,5,66,25,2,227,42,2,1,3,9,7,11171,13,22,5,48,8453,301,3,61,3,105,39,6,13,4,6,11,2,12,2,4,2,0,2,1,2,1,2,107,34,362,19,63,3,53,41,11,5,15,17,6,13,1,25,2,33,4,2,134,20,9,8,25,5,0,2,25,12,88,4,5,3,5,3,5,3,2];

    var code = 0;
    var str = [];
    for (var i = 0; i < wordChars.length; i += 2) {
        str.push(code += wordChars[i]);
        if (wordChars[i + 1])
            str.push(45, code += wordChars[i + 1]);
    }

    exports.wordChars = String.fromCharCode.apply(null, str);

});

define("ace/mode/text",["require","exports","module","ace/config","ace/tokenizer","ace/mode/text_highlight_rules","ace/mode/behaviour/cstyle","ace/unicode","ace/lib/lang","ace/token_iterator","ace/range"], function(require, exports, module) {
    "use strict";
    var config = require("../config");

    var Tokenizer = require("../tokenizer").Tokenizer;
    var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
    var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
    var unicode = require("../unicode");
    var lang = require("../lib/lang");
    var TokenIterator = require("../token_iterator").TokenIterator;
    var Range = require("../range").Range;

    var Mode = function() {
        this.HighlightRules = TextHighlightRules;
    };

    (function() {
        this.$defaultBehaviour = new CstyleBehaviour();

        this.tokenRe = new RegExp("^[" + unicode.wordChars + "\\$_]+", "g");

        this.nonTokenRe = new RegExp("^(?:[^" + unicode.wordChars + "\\$_]|\\s])+", "g");

        this.getTokenizer = function() {
            if (!this.$tokenizer) {
                this.$highlightRules = this.$highlightRules || new this.HighlightRules(this.$highlightRuleConfig);
                this.$tokenizer = new Tokenizer(this.$highlightRules.getRules());
            }
            return this.$tokenizer;
        };

        this.lineCommentStart = "";
        this.blockComment = "";

        this.toggleCommentLines = function(state, session, startRow, endRow) {
            var doc = session.doc;

            var ignoreBlankLines = true;
            var shouldRemove = true;
            var minIndent = Infinity;
            var tabSize = session.getTabSize();
            var insertAtTabStop = false;

            if (!this.lineCommentStart) {
                if (!this.blockComment)
                    return false;
                var lineCommentStart = this.blockComment.start;
                var lineCommentEnd = this.blockComment.end;
                var regexpStart = new RegExp("^(\\s*)(?:" + lang.escapeRegExp(lineCommentStart) + ")");
                var regexpEnd = new RegExp("(?:" + lang.escapeRegExp(lineCommentEnd) + ")\\s*$");

                var comment = function(line, i) {
                    if (testRemove(line, i))
                        return;
                    if (!ignoreBlankLines || /\S/.test(line)) {
                        doc.insertInLine({row: i, column: line.length}, lineCommentEnd);
                        doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
                    }
                };

                var uncomment = function(line, i) {
                    var m;
                    if (m = line.match(regexpEnd))
                        doc.removeInLine(i, line.length - m[0].length, line.length);
                    if (m = line.match(regexpStart))
                        doc.removeInLine(i, m[1].length, m[0].length);
                };

                var testRemove = function(line, row) {
                    if (regexpStart.test(line))
                        return true;
                    var tokens = session.getTokens(row);
                    for (var i = 0; i < tokens.length; i++) {
                        if (tokens[i].type === "comment")
                            return true;
                    }
                };
            } else {
                if (Array.isArray(this.lineCommentStart)) {
                    var regexpStart = this.lineCommentStart.map(lang.escapeRegExp).join("|");
                    var lineCommentStart = this.lineCommentStart[0];
                } else {
                    var regexpStart = lang.escapeRegExp(this.lineCommentStart);
                    var lineCommentStart = this.lineCommentStart;
                }
                regexpStart = new RegExp("^(\\s*)(?:" + regexpStart + ") ?");

                insertAtTabStop = session.getUseSoftTabs();

                var uncomment = function(line, i) {
                    var m = line.match(regexpStart);
                    if (!m) return;
                    var start = m[1].length, end = m[0].length;
                    if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ")
                        end--;
                    doc.removeInLine(i, start, end);
                };
                var commentWithSpace = lineCommentStart + " ";
                var comment = function(line, i) {
                    if (!ignoreBlankLines || /\S/.test(line)) {
                        if (shouldInsertSpace(line, minIndent, minIndent))
                            doc.insertInLine({row: i, column: minIndent}, commentWithSpace);
                        else
                            doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
                    }
                };
                var testRemove = function(line, i) {
                    return regexpStart.test(line);
                };

                var shouldInsertSpace = function(line, before, after) {
                    var spaces = 0;
                    while (before-- && line.charAt(before) == " ")
                        spaces++;
                    if (spaces % tabSize != 0)
                        return false;
                    var spaces = 0;
                    while (line.charAt(after++) == " ")
                        spaces++;
                    if (tabSize > 2)
                        return spaces % tabSize != tabSize - 1;
                    else
                        return spaces % tabSize == 0;
                };
            }

            function iter(fun) {
                for (var i = startRow; i <= endRow; i++)
                    fun(doc.getLine(i), i);
            }


            var minEmptyLength = Infinity;
            iter(function(line, i) {
                var indent = line.search(/\S/);
                if (indent !== -1) {
                    if (indent < minIndent)
                        minIndent = indent;
                    if (shouldRemove && !testRemove(line, i))
                        shouldRemove = false;
                } else if (minEmptyLength > line.length) {
                    minEmptyLength = line.length;
                }
            });

            if (minIndent == Infinity) {
                minIndent = minEmptyLength;
                ignoreBlankLines = false;
                shouldRemove = false;
            }

            if (insertAtTabStop && minIndent % tabSize != 0)
                minIndent = Math.floor(minIndent / tabSize) * tabSize;

            iter(shouldRemove ? uncomment : comment);
        };

        this.toggleBlockComment = function(state, session, range, cursor) {
            var comment = this.blockComment;
            if (!comment)
                return;
            if (!comment.start && comment[0])
                comment = comment[0];

            var iterator = new TokenIterator(session, cursor.row, cursor.column);
            var token = iterator.getCurrentToken();

            var sel = session.selection;
            var initialRange = session.selection.toOrientedRange();
            var startRow, colDiff;

            if (token && /comment/.test(token.type)) {
                var startRange, endRange;
                while (token && /comment/.test(token.type)) {
                    var i = token.value.indexOf(comment.start);
                    if (i != -1) {
                        var row = iterator.getCurrentTokenRow();
                        var column = iterator.getCurrentTokenColumn() + i;
                        startRange = new Range(row, column, row, column + comment.start.length);
                        break;
                    }
                    token = iterator.stepBackward();
                }

                var iterator = new TokenIterator(session, cursor.row, cursor.column);
                var token = iterator.getCurrentToken();
                while (token && /comment/.test(token.type)) {
                    var i = token.value.indexOf(comment.end);
                    if (i != -1) {
                        var row = iterator.getCurrentTokenRow();
                        var column = iterator.getCurrentTokenColumn() + i;
                        endRange = new Range(row, column, row, column + comment.end.length);
                        break;
                    }
                    token = iterator.stepForward();
                }
                if (endRange)
                    session.remove(endRange);
                if (startRange) {
                    session.remove(startRange);
                    startRow = startRange.start.row;
                    colDiff = -comment.start.length;
                }
            } else {
                colDiff = comment.start.length;
                startRow = range.start.row;
                session.insert(range.end, comment.end);
                session.insert(range.start, comment.start);
            }
            if (initialRange.start.row == startRow)
                initialRange.start.column += colDiff;
            if (initialRange.end.row == startRow)
                initialRange.end.column += colDiff;
            session.selection.fromOrientedRange(initialRange);
        };

        this.getNextLineIndent = function(state, line, tab) {
            return this.$getIndent(line);
        };

        this.checkOutdent = function(state, line, input) {
            return false;
        };

        this.autoOutdent = function(state, doc, row) {
        };

        this.$getIndent = function(line) {
            return line.match(/^\s*/)[0];
        };

        this.createWorker = function(session) {
            return null;
        };

        this.createModeDelegates = function (mapping) {
            this.$embeds = [];
            this.$modes = {};
            for (var i in mapping) {
                if (mapping[i]) {
                    var Mode = mapping[i];
                    var id = Mode.prototype.$id;
                    var mode = config.$modes[id];
                    if (!mode)
                        config.$modes[id] = mode = new Mode();
                    if (!config.$modes[i])
                        config.$modes[i] = mode;
                    this.$embeds.push(i);
                    this.$modes[i] = mode;
                }
            }

            var delegations = ["toggleBlockComment", "toggleCommentLines", "getNextLineIndent",
                "checkOutdent", "autoOutdent", "transformAction", "getCompletions"];

            for (var i = 0; i < delegations.length; i++) {
                (function(scope) {
                    var functionName = delegations[i];
                    var defaultHandler = scope[functionName];
                    scope[delegations[i]] = function() {
                        return this.$delegator(functionName, arguments, defaultHandler);
                    };
                }(this));
            }
        };

        this.$delegator = function(method, args, defaultHandler) {
            var state = args[0] || "start";
            if (typeof state != "string") {
                if (Array.isArray(state[2])) {
                    var language = state[2][state[2].length - 1];
                    var mode = this.$modes[language];
                    if (mode)
                        return mode[method].apply(mode, [state[1]].concat([].slice.call(args, 1)));
                }
                state = state[0] || "start";
            }

            for (var i = 0; i < this.$embeds.length; i++) {
                if (!this.$modes[this.$embeds[i]]) continue;

                var split = state.split(this.$embeds[i]);
                if (!split[0] && split[1]) {
                    args[0] = split[1];
                    var mode = this.$modes[this.$embeds[i]];
                    return mode[method].apply(mode, args);
                }
            }
            var ret = defaultHandler.apply(this, args);
            return defaultHandler ? ret : undefined;
        };

        this.transformAction = function(state, action, editor, session, param) {
            if (this.$behaviour) {
                var behaviours = this.$behaviour.getBehaviours();
                for (var key in behaviours) {
                    if (behaviours[key][action]) {
                        var ret = behaviours[key][action].apply(this, arguments);
                        if (ret) {
                            return ret;
                        }
                    }
                }
            }
        };

        this.getKeywords = function(append) {
            if (!this.completionKeywords) {
                var rules = this.$tokenizer.rules;
                var completionKeywords = [];
                for (var rule in rules) {
                    var ruleItr = rules[rule];
                    for (var r = 0, l = ruleItr.length; r < l; r++) {
                        if (typeof ruleItr[r].token === "string") {
                            if (/keyword|support|storage/.test(ruleItr[r].token))
                                completionKeywords.push(ruleItr[r].regex);
                        }
                        else if (typeof ruleItr[r].token === "object") {
                            for (var a = 0, aLength = ruleItr[r].token.length; a < aLength; a++) {
                                if (/keyword|support|storage/.test(ruleItr[r].token[a])) {
                                    var rule = ruleItr[r].regex.match(/\(.+?\)/g)[a];
                                    completionKeywords.push(rule.substr(1, rule.length - 2));
                                }
                            }
                        }
                    }
                }
                this.completionKeywords = completionKeywords;
            }
            if (!append)
                return this.$keywordList;
            return completionKeywords.concat(this.$keywordList || []);
        };

        this.$createKeywordList = function() {
            if (!this.$highlightRules)
                this.getTokenizer();
            return this.$keywordList = this.$highlightRules.$keywordList || [];
        };

        this.getCompletions = function(state, session, pos, prefix) {
            var keywords = this.$keywordList || this.$createKeywordList();
            return keywords.map(function(word) {
                return {
                    name: word,
                    value: word,
                    score: 0,
                    meta: "keyword"
                };
            });
        };

        this.$id = "ace/mode/text";
    }).call(Mode.prototype);

    exports.Mode = Mode;
});

define("ace/apply_delta",["require","exports","module"], function(require, exports, module) {
    "use strict";

    function throwDeltaError(delta, errorText){
        console.log("Invalid Delta:", delta);
        throw "Invalid Delta: " + errorText;
    }

    function positionInDocument(docLines, position) {
        return position.row    >= 0 && position.row    <  docLines.length &&
            position.column >= 0 && position.column <= docLines[position.row].length;
    }

    function validateDelta(docLines, delta) {
        if (delta.action != "insert" && delta.action != "remove")
            throwDeltaError(delta, "delta.action must be 'insert' or 'remove'");
        if (!(delta.lines instanceof Array))
            throwDeltaError(delta, "delta.lines must be an Array");
        if (!delta.start || !delta.end)
            throwDeltaError(delta, "delta.start/end must be an present");
        var start = delta.start;
        if (!positionInDocument(docLines, delta.start))
            throwDeltaError(delta, "delta.start must be contained in document");
        var end = delta.end;
        if (delta.action == "remove" && !positionInDocument(docLines, end))
            throwDeltaError(delta, "delta.end must contained in document for 'remove' actions");
        var numRangeRows = end.row - start.row;
        var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));
        if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)
            throwDeltaError(delta, "delta.range must match delta lines");
    }

    exports.applyDelta = function(docLines, delta, doNotValidate) {

        var row = delta.start.row;
        var startColumn = delta.start.column;
        var line = docLines[row] || "";
        switch (delta.action) {
            case "insert":
                var lines = delta.lines;
                if (lines.length === 1) {
                    docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);
                } else {
                    var args = [row, 1].concat(delta.lines);
                    docLines.splice.apply(docLines, args);
                    docLines[row] = line.substring(0, startColumn) + docLines[row];
                    docLines[row + delta.lines.length - 1] += line.substring(startColumn);
                }
                break;
            case "remove":
                var endColumn = delta.end.column;
                var endRow = delta.end.row;
                if (row === endRow) {
                    docLines[row] = line.substring(0, startColumn) + line.substring(endColumn);
                } else {
                    docLines.splice(
                        row, endRow - row + 1,
                        line.substring(0, startColumn) + docLines[endRow].substring(endColumn)
                    );
                }
                break;
        }
    };
});

define("ace/anchor",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var EventEmitter = require("./lib/event_emitter").EventEmitter;

    var Anchor = exports.Anchor = function(doc, row, column) {
        this.$onChange = this.onChange.bind(this);
        this.attach(doc);

        if (typeof column == "undefined")
            this.setPosition(row.row, row.column);
        else
            this.setPosition(row, column);
    };

    (function() {

        oop.implement(this, EventEmitter);
        this.getPosition = function() {
            return this.$clipPositionToDocument(this.row, this.column);
        };
        this.getDocument = function() {
            return this.document;
        };
        this.$insertRight = false;
        this.onChange = function(delta) {
            if (delta.start.row == delta.end.row && delta.start.row != this.row)
                return;

            if (delta.start.row > this.row)
                return;

            var point = $getTransformedPoint(delta, {row: this.row, column: this.column}, this.$insertRight);
            this.setPosition(point.row, point.column, true);
        };

        function $pointsInOrder(point1, point2, equalPointsInOrder) {
            var bColIsAfter = equalPointsInOrder ? point1.column <= point2.column : point1.column < point2.column;
            return (point1.row < point2.row) || (point1.row == point2.row && bColIsAfter);
        }

        function $getTransformedPoint(delta, point, moveIfEqual) {
            var deltaIsInsert = delta.action == "insert";
            var deltaRowShift = (deltaIsInsert ? 1 : -1) * (delta.end.row    - delta.start.row);
            var deltaColShift = (deltaIsInsert ? 1 : -1) * (delta.end.column - delta.start.column);
            var deltaStart = delta.start;
            var deltaEnd = deltaIsInsert ? deltaStart : delta.end; // Collapse insert range.
            if ($pointsInOrder(point, deltaStart, moveIfEqual)) {
                return {
                    row: point.row,
                    column: point.column
                };
            }
            if ($pointsInOrder(deltaEnd, point, !moveIfEqual)) {
                return {
                    row: point.row + deltaRowShift,
                    column: point.column + (point.row == deltaEnd.row ? deltaColShift : 0)
                };
            }

            return {
                row: deltaStart.row,
                column: deltaStart.column
            };
        }
        this.setPosition = function(row, column, noClip) {
            var pos;
            if (noClip) {
                pos = {
                    row: row,
                    column: column
                };
            } else {
                pos = this.$clipPositionToDocument(row, column);
            }

            if (this.row == pos.row && this.column == pos.column)
                return;

            var old = {
                row: this.row,
                column: this.column
            };

            this.row = pos.row;
            this.column = pos.column;
            this._signal("change", {
                old: old,
                value: pos
            });
        };
        this.detach = function() {
            this.document.off("change", this.$onChange);
        };
        this.attach = function(doc) {
            this.document = doc || this.document;
            this.document.on("change", this.$onChange);
        };
        this.$clipPositionToDocument = function(row, column) {
            var pos = {};

            if (row >= this.document.getLength()) {
                pos.row = Math.max(0, this.document.getLength() - 1);
                pos.column = this.document.getLine(pos.row).length;
            }
            else if (row < 0) {
                pos.row = 0;
                pos.column = 0;
            }
            else {
                pos.row = row;
                pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
            }

            if (column < 0)
                pos.column = 0;

            return pos;
        };

    }).call(Anchor.prototype);

});

define("ace/document",["require","exports","module","ace/lib/oop","ace/apply_delta","ace/lib/event_emitter","ace/range","ace/anchor"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var applyDelta = require("./apply_delta").applyDelta;
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var Range = require("./range").Range;
    var Anchor = require("./anchor").Anchor;

    var Document = function(textOrLines) {
        this.$lines = [""];
        if (textOrLines.length === 0) {
            this.$lines = [""];
        } else if (Array.isArray(textOrLines)) {
            this.insertMergedLines({row: 0, column: 0}, textOrLines);
        } else {
            this.insert({row: 0, column:0}, textOrLines);
        }
    };

    (function() {

        oop.implement(this, EventEmitter);
        this.setValue = function(text) {
            var len = this.getLength() - 1;
            this.remove(new Range(0, 0, len, this.getLine(len).length));
            this.insert({row: 0, column: 0}, text);
        };
        this.getValue = function() {
            return this.getAllLines().join(this.getNewLineCharacter());
        };
        this.createAnchor = function(row, column) {
            return new Anchor(this, row, column);
        };
        if ("aaa".split(/a/).length === 0) {
            this.$split = function(text) {
                return text.replace(/\r\n|\r/g, "\n").split("\n");
            };
        } else {
            this.$split = function(text) {
                return text.split(/\r\n|\r|\n/);
            };
        }


        this.$detectNewLine = function(text) {
            var match = text.match(/^.*?(\r\n|\r|\n)/m);
            this.$autoNewLine = match ? match[1] : "\n";
            this._signal("changeNewLineMode");
        };
        this.getNewLineCharacter = function() {
            switch (this.$newLineMode) {
                case "windows":
                    return "\r\n";
                case "unix":
                    return "\n";
                default:
                    return this.$autoNewLine || "\n";
            }
        };

        this.$autoNewLine = "";
        this.$newLineMode = "auto";
        this.setNewLineMode = function(newLineMode) {
            if (this.$newLineMode === newLineMode)
                return;

            this.$newLineMode = newLineMode;
            this._signal("changeNewLineMode");
        };
        this.getNewLineMode = function() {
            return this.$newLineMode;
        };
        this.isNewLine = function(text) {
            return (text == "\r\n" || text == "\r" || text == "\n");
        };
        this.getLine = function(row) {
            return this.$lines[row] || "";
        };
        this.getLines = function(firstRow, lastRow) {
            return this.$lines.slice(firstRow, lastRow + 1);
        };
        this.getAllLines = function() {
            return this.getLines(0, this.getLength());
        };
        this.getLength = function() {
            return this.$lines.length;
        };
        this.getTextRange = function(range) {
            return this.getLinesForRange(range).join(this.getNewLineCharacter());
        };
        this.getLinesForRange = function(range) {
            var lines;
            if (range.start.row === range.end.row) {
                lines = [this.getLine(range.start.row).substring(range.start.column, range.end.column)];
            } else {
                lines = this.getLines(range.start.row, range.end.row);
                lines[0] = (lines[0] || "").substring(range.start.column);
                var l = lines.length - 1;
                if (range.end.row - range.start.row == l)
                    lines[l] = lines[l].substring(0, range.end.column);
            }
            return lines;
        };
        this.insertLines = function(row, lines) {
            console.warn("Use of document.insertLines is deprecated. Use the insertFullLines method instead.");
            return this.insertFullLines(row, lines);
        };
        this.removeLines = function(firstRow, lastRow) {
            console.warn("Use of document.removeLines is deprecated. Use the removeFullLines method instead.");
            return this.removeFullLines(firstRow, lastRow);
        };
        this.insertNewLine = function(position) {
            console.warn("Use of document.insertNewLine is deprecated. Use insertMergedLines(position, ['', '']) instead.");
            return this.insertMergedLines(position, ["", ""]);
        };
        this.insert = function(position, text) {
            if (this.getLength() <= 1)
                this.$detectNewLine(text);

            return this.insertMergedLines(position, this.$split(text));
        };
        this.insertInLine = function(position, text) {
            var start = this.clippedPos(position.row, position.column);
            var end = this.pos(position.row, position.column + text.length);

            this.applyDelta({
                start: start,
                end: end,
                action: "insert",
                lines: [text]
            }, true);

            return this.clonePos(end);
        };

        this.clippedPos = function(row, column) {
            var length = this.getLength();
            if (row === undefined) {
                row = length;
            } else if (row < 0) {
                row = 0;
            } else if (row >= length) {
                row = length - 1;
                column = undefined;
            }
            var line = this.getLine(row);
            if (column == undefined)
                column = line.length;
            column = Math.min(Math.max(column, 0), line.length);
            return {row: row, column: column};
        };

        this.clonePos = function(pos) {
            return {row: pos.row, column: pos.column};
        };

        this.pos = function(row, column) {
            return {row: row, column: column};
        };

        this.$clipPosition = function(position) {
            var length = this.getLength();
            if (position.row >= length) {
                position.row = Math.max(0, length - 1);
                position.column = this.getLine(length - 1).length;
            } else {
                position.row = Math.max(0, position.row);
                position.column = Math.min(Math.max(position.column, 0), this.getLine(position.row).length);
            }
            return position;
        };
        this.insertFullLines = function(row, lines) {
            row = Math.min(Math.max(row, 0), this.getLength());
            var column = 0;
            if (row < this.getLength()) {
                lines = lines.concat([""]);
                column = 0;
            } else {
                lines = [""].concat(lines);
                row--;
                column = this.$lines[row].length;
            }
            this.insertMergedLines({row: row, column: column}, lines);
        };
        this.insertMergedLines = function(position, lines) {
            var start = this.clippedPos(position.row, position.column);
            var end = {
                row: start.row + lines.length - 1,
                column: (lines.length == 1 ? start.column : 0) + lines[lines.length - 1].length
            };

            this.applyDelta({
                start: start,
                end: end,
                action: "insert",
                lines: lines
            });

            return this.clonePos(end);
        };
        this.remove = function(range) {
            var start = this.clippedPos(range.start.row, range.start.column);
            var end = this.clippedPos(range.end.row, range.end.column);
            this.applyDelta({
                start: start,
                end: end,
                action: "remove",
                lines: this.getLinesForRange({start: start, end: end})
            });
            return this.clonePos(start);
        };
        this.removeInLine = function(row, startColumn, endColumn) {
            var start = this.clippedPos(row, startColumn);
            var end = this.clippedPos(row, endColumn);

            this.applyDelta({
                start: start,
                end: end,
                action: "remove",
                lines: this.getLinesForRange({start: start, end: end})
            }, true);

            return this.clonePos(start);
        };
        this.removeFullLines = function(firstRow, lastRow) {
            firstRow = Math.min(Math.max(0, firstRow), this.getLength() - 1);
            lastRow  = Math.min(Math.max(0, lastRow ), this.getLength() - 1);
            var deleteFirstNewLine = lastRow == this.getLength() - 1 && firstRow > 0;
            var deleteLastNewLine  = lastRow  < this.getLength() - 1;
            var startRow = ( deleteFirstNewLine ? firstRow - 1                  : firstRow                    );
            var startCol = ( deleteFirstNewLine ? this.getLine(startRow).length : 0                           );
            var endRow   = ( deleteLastNewLine  ? lastRow + 1                   : lastRow                     );
            var endCol   = ( deleteLastNewLine  ? 0                             : this.getLine(endRow).length );
            var range = new Range(startRow, startCol, endRow, endCol);
            var deletedLines = this.$lines.slice(firstRow, lastRow + 1);

            this.applyDelta({
                start: range.start,
                end: range.end,
                action: "remove",
                lines: this.getLinesForRange(range)
            });
            return deletedLines;
        };
        this.removeNewLine = function(row) {
            if (row < this.getLength() - 1 && row >= 0) {
                this.applyDelta({
                    start: this.pos(row, this.getLine(row).length),
                    end: this.pos(row + 1, 0),
                    action: "remove",
                    lines: ["", ""]
                });
            }
        };
        this.replace = function(range, text) {
            if (!(range instanceof Range))
                range = Range.fromPoints(range.start, range.end);
            if (text.length === 0 && range.isEmpty())
                return range.start;
            if (text == this.getTextRange(range))
                return range.end;

            this.remove(range);
            var end;
            if (text) {
                end = this.insert(range.start, text);
            }
            else {
                end = range.start;
            }

            return end;
        };
        this.applyDeltas = function(deltas) {
            for (var i=0; i<deltas.length; i++) {
                this.applyDelta(deltas[i]);
            }
        };
        this.revertDeltas = function(deltas) {
            for (var i=deltas.length-1; i>=0; i--) {
                this.revertDelta(deltas[i]);
            }
        };
        this.applyDelta = function(delta, doNotValidate) {
            var isInsert = delta.action == "insert";
            if (isInsert ? delta.lines.length <= 1 && !delta.lines[0]
                : !Range.comparePoints(delta.start, delta.end)) {
                return;
            }

            if (isInsert && delta.lines.length > 20000) {
                this.$splitAndapplyLargeDelta(delta, 20000);
            }
            else {
                applyDelta(this.$lines, delta, doNotValidate);
                this._signal("change", delta);
            }
        };

        this.$safeApplyDelta = function(delta) {
            var docLength = this.$lines.length;
            if (
                delta.action == "remove" && delta.start.row < docLength && delta.end.row < docLength
                || delta.action == "insert" && delta.start.row <= docLength
            ) {
                this.applyDelta(delta);
            }
        };

        this.$splitAndapplyLargeDelta = function(delta, MAX) {
            var lines = delta.lines;
            var l = lines.length - MAX + 1;
            var row = delta.start.row;
            var column = delta.start.column;
            for (var from = 0, to = 0; from < l; from = to) {
                to += MAX - 1;
                var chunk = lines.slice(from, to);
                chunk.push("");
                this.applyDelta({
                    start: this.pos(row + from, column),
                    end: this.pos(row + to, column = 0),
                    action: delta.action,
                    lines: chunk
                }, true);
            }
            delta.lines = lines.slice(from);
            delta.start.row = row + from;
            delta.start.column = column;
            this.applyDelta(delta, true);
        };
        this.revertDelta = function(delta) {
            this.$safeApplyDelta({
                start: this.clonePos(delta.start),
                end: this.clonePos(delta.end),
                action: (delta.action == "insert" ? "remove" : "insert"),
                lines: delta.lines.slice()
            });
        };
        this.indexToPosition = function(index, startRow) {
            var lines = this.$lines || this.getAllLines();
            var newlineLength = this.getNewLineCharacter().length;
            for (var i = startRow || 0, l = lines.length; i < l; i++) {
                index -= lines[i].length + newlineLength;
                if (index < 0)
                    return {row: i, column: index + lines[i].length + newlineLength};
            }
            return {row: l-1, column: index + lines[l-1].length + newlineLength};
        };
        this.positionToIndex = function(pos, startRow) {
            var lines = this.$lines || this.getAllLines();
            var newlineLength = this.getNewLineCharacter().length;
            var index = 0;
            var row = Math.min(pos.row, lines.length);
            for (var i = startRow || 0; i < row; ++i)
                index += lines[i].length + newlineLength;

            return index + pos.column;
        };

    }).call(Document.prototype);

    exports.Document = Document;
});

define("ace/background_tokenizer",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var EventEmitter = require("./lib/event_emitter").EventEmitter;

    var BackgroundTokenizer = function(tokenizer, editor) {
        this.running = false;
        this.lines = [];
        this.states = [];
        this.currentLine = 0;
        this.tokenizer = tokenizer;

        var self = this;

        this.$worker = function() {
            if (!self.running) { return; }

            var workerStart = new Date();
            var currentLine = self.currentLine;
            var endLine = -1;
            var doc = self.doc;

            var startLine = currentLine;
            while (self.lines[currentLine])
                currentLine++;

            var len = doc.getLength();
            var processedLines = 0;
            self.running = false;
            while (currentLine < len) {
                self.$tokenizeRow(currentLine);
                endLine = currentLine;
                do {
                    currentLine++;
                } while (self.lines[currentLine]);
                processedLines ++;
                if ((processedLines % 5 === 0) && (new Date() - workerStart) > 20) {
                    self.running = setTimeout(self.$worker, 20);
                    break;
                }
            }
            self.currentLine = currentLine;

            if (endLine == -1)
                endLine = currentLine;

            if (startLine <= endLine)
                self.fireUpdateEvent(startLine, endLine);
        };
    };

    (function(){

        oop.implement(this, EventEmitter);
        this.setTokenizer = function(tokenizer) {
            this.tokenizer = tokenizer;
            this.lines = [];
            this.states = [];

            this.start(0);
        };
        this.setDocument = function(doc) {
            this.doc = doc;
            this.lines = [];
            this.states = [];

            this.stop();
        };
        this.fireUpdateEvent = function(firstRow, lastRow) {
            var data = {
                first: firstRow,
                last: lastRow
            };
            this._signal("update", {data: data});
        };
        this.start = function(startRow) {
            this.currentLine = Math.min(startRow || 0, this.currentLine, this.doc.getLength());
            this.lines.splice(this.currentLine, this.lines.length);
            this.states.splice(this.currentLine, this.states.length);

            this.stop();
            this.running = setTimeout(this.$worker, 700);
        };

        this.scheduleStart = function() {
            if (!this.running)
                this.running = setTimeout(this.$worker, 700);
        };

        this.$updateOnChange = function(delta) {
            var startRow = delta.start.row;
            var len = delta.end.row - startRow;

            if (len === 0) {
                this.lines[startRow] = null;
            } else if (delta.action == "remove") {
                this.lines.splice(startRow, len + 1, null);
                this.states.splice(startRow, len + 1, null);
            } else {
                var args = Array(len + 1);
                args.unshift(startRow, 1);
                this.lines.splice.apply(this.lines, args);
                this.states.splice.apply(this.states, args);
            }

            this.currentLine = Math.min(startRow, this.currentLine, this.doc.getLength());

            this.stop();
        };
        this.stop = function() {
            if (this.running)
                clearTimeout(this.running);
            this.running = false;
        };
        this.getTokens = function(row) {
            return this.lines[row] || this.$tokenizeRow(row);
        };
        this.getState = function(row) {
            if (this.currentLine == row)
                this.$tokenizeRow(row);
            return this.states[row] || "start";
        };

        this.$tokenizeRow = function(row) {
            var line = this.doc.getLine(row);
            var state = this.states[row - 1];

            var data = this.tokenizer.getLineTokens(line, state, row);

            if (this.states[row] + "" !== data.state + "") {
                this.states[row] = data.state;
                this.lines[row + 1] = null;
                if (this.currentLine > row + 1)
                    this.currentLine = row + 1;
            } else if (this.currentLine == row) {
                this.currentLine = row + 1;
            }

            return this.lines[row] = data.tokens;
        };

        this.cleanup = function() {
            this.running = false;
            this.lines = [];
            this.states = [];
            this.currentLine = 0;
            this.removeAllListeners();
        };

    }).call(BackgroundTokenizer.prototype);

    exports.BackgroundTokenizer = BackgroundTokenizer;
});

define("ace/search_highlight",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/range"], function(require, exports, module) {
    "use strict";

    var lang = require("./lib/lang");
    var oop = require("./lib/oop");
    var Range = require("./range").Range;

    var SearchHighlight = function(regExp, clazz, type) {
        this.setRegexp(regExp);
        this.clazz = clazz;
        this.type = type || "text";
    };

    (function() {
        this.MAX_RANGES = 500;

        this.setRegexp = function(regExp) {
            if (this.regExp+"" == regExp+"")
                return;
            this.regExp = regExp;
            this.cache = [];
        };

        this.update = function(html, markerLayer, session, config) {
            if (!this.regExp)
                return;
            var start = config.firstRow, end = config.lastRow;
            var renderedMarkerRanges = {};

            for (var i = start; i <= end; i++) {
                var ranges = this.cache[i];
                if (ranges == null) {
                    ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
                    if (ranges.length > this.MAX_RANGES)
                        ranges = ranges.slice(0, this.MAX_RANGES);
                    ranges = ranges.map(function(match) {
                        return new Range(i, match.offset, i, match.offset + match.length);
                    });
                    this.cache[i] = ranges.length ? ranges : "";
                }

                for (var j = ranges.length; j --; ) {
                    var rangeToAddMarkerTo = ranges[j].toScreenRange(session);
                    var rangeAsString = rangeToAddMarkerTo.toString();
                    if (renderedMarkerRanges[rangeAsString]) continue;

                    renderedMarkerRanges[rangeAsString] = true;
                    markerLayer.drawSingleLineMarker(
                        html, rangeToAddMarkerTo, this.clazz, config);
                }
            }
        };

    }).call(SearchHighlight.prototype);

    exports.SearchHighlight = SearchHighlight;
});

define("ace/edit_session/fold_line",["require","exports","module","ace/range"], function(require, exports, module) {
    "use strict";

    var Range = require("../range").Range;
    function FoldLine(foldData, folds) {
        this.foldData = foldData;
        if (Array.isArray(folds)) {
            this.folds = folds;
        } else {
            folds = this.folds = [ folds ];
        }

        var last = folds[folds.length - 1];
        this.range = new Range(folds[0].start.row, folds[0].start.column,
            last.end.row, last.end.column);
        this.start = this.range.start;
        this.end   = this.range.end;

        this.folds.forEach(function(fold) {
            fold.setFoldLine(this);
        }, this);
    }

    (function() {
        this.shiftRow = function(shift) {
            this.start.row += shift;
            this.end.row += shift;
            this.folds.forEach(function(fold) {
                fold.start.row += shift;
                fold.end.row += shift;
            });
        };

        this.addFold = function(fold) {
            if (fold.sameRow) {
                if (fold.start.row < this.startRow || fold.endRow > this.endRow) {
                    throw new Error("Can't add a fold to this FoldLine as it has no connection");
                }
                this.folds.push(fold);
                this.folds.sort(function(a, b) {
                    return -a.range.compareEnd(b.start.row, b.start.column);
                });
                if (this.range.compareEnd(fold.start.row, fold.start.column) > 0) {
                    this.end.row = fold.end.row;
                    this.end.column =  fold.end.column;
                } else if (this.range.compareStart(fold.end.row, fold.end.column) < 0) {
                    this.start.row = fold.start.row;
                    this.start.column = fold.start.column;
                }
            } else if (fold.start.row == this.end.row) {
                this.folds.push(fold);
                this.end.row = fold.end.row;
                this.end.column = fold.end.column;
            } else if (fold.end.row == this.start.row) {
                this.folds.unshift(fold);
                this.start.row = fold.start.row;
                this.start.column = fold.start.column;
            } else {
                throw new Error("Trying to add fold to FoldRow that doesn't have a matching row");
            }
            fold.foldLine = this;
        };

        this.containsRow = function(row) {
            return row >= this.start.row && row <= this.end.row;
        };

        this.walk = function(callback, endRow, endColumn) {
            var lastEnd = 0,
                folds = this.folds,
                fold,
                cmp, stop, isNewRow = true;

            if (endRow == null) {
                endRow = this.end.row;
                endColumn = this.end.column;
            }

            for (var i = 0; i < folds.length; i++) {
                fold = folds[i];

                cmp = fold.range.compareStart(endRow, endColumn);
                if (cmp == -1) {
                    callback(null, endRow, endColumn, lastEnd, isNewRow);
                    return;
                }

                stop = callback(null, fold.start.row, fold.start.column, lastEnd, isNewRow);
                stop = !stop && callback(fold.placeholder, fold.start.row, fold.start.column, lastEnd);
                if (stop || cmp === 0) {
                    return;
                }
                isNewRow = !fold.sameRow;
                lastEnd = fold.end.column;
            }
            callback(null, endRow, endColumn, lastEnd, isNewRow);
        };

        this.getNextFoldTo = function(row, column) {
            var fold, cmp;
            for (var i = 0; i < this.folds.length; i++) {
                fold = this.folds[i];
                cmp = fold.range.compareEnd(row, column);
                if (cmp == -1) {
                    return {
                        fold: fold,
                        kind: "after"
                    };
                } else if (cmp === 0) {
                    return {
                        fold: fold,
                        kind: "inside"
                    };
                }
            }
            return null;
        };

        this.addRemoveChars = function(row, column, len) {
            var ret = this.getNextFoldTo(row, column),
                fold, folds;
            if (ret) {
                fold = ret.fold;
                if (ret.kind == "inside"
                    && fold.start.column != column
                    && fold.start.row != row)
                {
                    window.console && window.console.log(row, column, fold);
                } else if (fold.start.row == row) {
                    folds = this.folds;
                    var i = folds.indexOf(fold);
                    if (i === 0) {
                        this.start.column += len;
                    }
                    for (i; i < folds.length; i++) {
                        fold = folds[i];
                        fold.start.column += len;
                        if (!fold.sameRow) {
                            return;
                        }
                        fold.end.column += len;
                    }
                    this.end.column += len;
                }
            }
        };

        this.split = function(row, column) {
            var pos = this.getNextFoldTo(row, column);

            if (!pos || pos.kind == "inside")
                return null;

            var fold = pos.fold;
            var folds = this.folds;
            var foldData = this.foldData;

            var i = folds.indexOf(fold);
            var foldBefore = folds[i - 1];
            this.end.row = foldBefore.end.row;
            this.end.column = foldBefore.end.column;
            folds = folds.splice(i, folds.length - i);

            var newFoldLine = new FoldLine(foldData, folds);
            foldData.splice(foldData.indexOf(this) + 1, 0, newFoldLine);
            return newFoldLine;
        };

        this.merge = function(foldLineNext) {
            var folds = foldLineNext.folds;
            for (var i = 0; i < folds.length; i++) {
                this.addFold(folds[i]);
            }
            var foldData = this.foldData;
            foldData.splice(foldData.indexOf(foldLineNext), 1);
        };

        this.toString = function() {
            var ret = [this.range.toString() + ": [" ];

            this.folds.forEach(function(fold) {
                ret.push("  " + fold.toString());
            });
            ret.push("]");
            return ret.join("\n");
        };

        this.idxToPosition = function(idx) {
            var lastFoldEndColumn = 0;

            for (var i = 0; i < this.folds.length; i++) {
                var fold = this.folds[i];

                idx -= fold.start.column - lastFoldEndColumn;
                if (idx < 0) {
                    return {
                        row: fold.start.row,
                        column: fold.start.column + idx
                    };
                }

                idx -= fold.placeholder.length;
                if (idx < 0) {
                    return fold.start;
                }

                lastFoldEndColumn = fold.end.column;
            }

            return {
                row: this.end.row,
                column: this.end.column + idx
            };
        };
    }).call(FoldLine.prototype);

    exports.FoldLine = FoldLine;
});

define("ace/range_list",["require","exports","module","ace/range"], function(require, exports, module) {
    "use strict";
    var Range = require("./range").Range;
    var comparePoints = Range.comparePoints;

    var RangeList = function() {
        this.ranges = [];
        this.$bias = 1;
    };

    (function() {
        this.comparePoints = comparePoints;

        this.pointIndex = function(pos, excludeEdges, startIndex) {
            var list = this.ranges;

            for (var i = startIndex || 0; i < list.length; i++) {
                var range = list[i];
                var cmpEnd = comparePoints(pos, range.end);
                if (cmpEnd > 0)
                    continue;
                var cmpStart = comparePoints(pos, range.start);
                if (cmpEnd === 0)
                    return excludeEdges && cmpStart !== 0 ? -i-2 : i;
                if (cmpStart > 0 || (cmpStart === 0 && !excludeEdges))
                    return i;

                return -i-1;
            }
            return -i - 1;
        };

        this.add = function(range) {
            var excludeEdges = !range.isEmpty();
            var startIndex = this.pointIndex(range.start, excludeEdges);
            if (startIndex < 0)
                startIndex = -startIndex - 1;

            var endIndex = this.pointIndex(range.end, excludeEdges, startIndex);

            if (endIndex < 0)
                endIndex = -endIndex - 1;
            else
                endIndex++;
            return this.ranges.splice(startIndex, endIndex - startIndex, range);
        };

        this.addList = function(list) {
            var removed = [];
            for (var i = list.length; i--; ) {
                removed.push.apply(removed, this.add(list[i]));
            }
            return removed;
        };

        this.substractPoint = function(pos) {
            var i = this.pointIndex(pos);

            if (i >= 0)
                return this.ranges.splice(i, 1);
        };
        this.merge = function() {
            var removed = [];
            var list = this.ranges;

            list = list.sort(function(a, b) {
                return comparePoints(a.start, b.start);
            });

            var next = list[0], range;
            for (var i = 1; i < list.length; i++) {
                range = next;
                next = list[i];
                var cmp = comparePoints(range.end, next.start);
                if (cmp < 0)
                    continue;

                if (cmp == 0 && !range.isEmpty() && !next.isEmpty())
                    continue;

                if (comparePoints(range.end, next.end) < 0) {
                    range.end.row = next.end.row;
                    range.end.column = next.end.column;
                }

                list.splice(i, 1);
                removed.push(next);
                next = range;
                i--;
            }

            this.ranges = list;

            return removed;
        };

        this.contains = function(row, column) {
            return this.pointIndex({row: row, column: column}) >= 0;
        };

        this.containsPoint = function(pos) {
            return this.pointIndex(pos) >= 0;
        };

        this.rangeAtPoint = function(pos) {
            var i = this.pointIndex(pos);
            if (i >= 0)
                return this.ranges[i];
        };


        this.clipRows = function(startRow, endRow) {
            var list = this.ranges;
            if (list[0].start.row > endRow || list[list.length - 1].start.row < startRow)
                return [];

            var startIndex = this.pointIndex({row: startRow, column: 0});
            if (startIndex < 0)
                startIndex = -startIndex - 1;
            var endIndex = this.pointIndex({row: endRow, column: 0}, startIndex);
            if (endIndex < 0)
                endIndex = -endIndex - 1;

            var clipped = [];
            for (var i = startIndex; i < endIndex; i++) {
                clipped.push(list[i]);
            }
            return clipped;
        };

        this.removeAll = function() {
            return this.ranges.splice(0, this.ranges.length);
        };

        this.attach = function(session) {
            if (this.session)
                this.detach();

            this.session = session;
            this.onChange = this.$onChange.bind(this);

            this.session.on('change', this.onChange);
        };

        this.detach = function() {
            if (!this.session)
                return;
            this.session.removeListener('change', this.onChange);
            this.session = null;
        };

        this.$onChange = function(delta) {
            var start = delta.start;
            var end = delta.end;
            var startRow = start.row;
            var endRow = end.row;
            var ranges = this.ranges;
            for (var i = 0, n = ranges.length; i < n; i++) {
                var r = ranges[i];
                if (r.end.row >= startRow)
                    break;
            }

            if (delta.action == "insert") {
                var lineDif = endRow - startRow;
                var colDiff = -start.column + end.column;
                for (; i < n; i++) {
                    var r = ranges[i];
                    if (r.start.row > startRow)
                        break;

                    if (r.start.row == startRow && r.start.column >= start.column) {
                        if (r.start.column == start.column && this.$bias <= 0) {
                        } else {
                            r.start.column += colDiff;
                            r.start.row += lineDif;
                        }
                    }
                    if (r.end.row == startRow && r.end.column >= start.column) {
                        if (r.end.column == start.column && this.$bias < 0) {
                            continue;
                        }
                        if (r.end.column == start.column && colDiff > 0 && i < n - 1) {
                            if (r.end.column > r.start.column && r.end.column == ranges[i+1].start.column)
                                r.end.column -= colDiff;
                        }
                        r.end.column += colDiff;
                        r.end.row += lineDif;
                    }
                }
            } else {
                var lineDif = startRow - endRow;
                var colDiff = start.column - end.column;
                for (; i < n; i++) {
                    var r = ranges[i];

                    if (r.start.row > endRow)
                        break;

                    if (r.end.row < endRow
                        && (
                            startRow < r.end.row
                            || startRow == r.end.row && start.column < r.end.column
                        )
                    ) {
                        r.end.row = startRow;
                        r.end.column = start.column;
                    }
                    else if (r.end.row == endRow) {
                        if (r.end.column <= end.column) {
                            if (lineDif || r.end.column > start.column) {
                                r.end.column = start.column;
                                r.end.row = start.row;
                            }
                        }
                        else {
                            r.end.column += colDiff;
                            r.end.row += lineDif;
                        }
                    }
                    else if (r.end.row > endRow) {
                        r.end.row += lineDif;
                    }

                    if (r.start.row < endRow
                        && (
                            startRow < r.start.row
                            || startRow == r.start.row && start.column < r.start.column
                        )
                    ) {
                        r.start.row = startRow;
                        r.start.column = start.column;
                    }
                    else if (r.start.row == endRow) {
                        if (r.start.column <= end.column) {
                            if (lineDif || r.start.column > start.column) {
                                r.start.column = start.column;
                                r.start.row = start.row;
                            }
                        }
                        else {
                            r.start.column += colDiff;
                            r.start.row += lineDif;
                        }
                    }
                    else if (r.start.row > endRow) {
                        r.start.row += lineDif;
                    }
                }
            }

            if (lineDif != 0 && i < n) {
                for (; i < n; i++) {
                    var r = ranges[i];
                    r.start.row += lineDif;
                    r.end.row += lineDif;
                }
            }
        };

    }).call(RangeList.prototype);

    exports.RangeList = RangeList;
});

define("ace/edit_session/fold",["require","exports","module","ace/range_list","ace/lib/oop"], function(require, exports, module) {
    "use strict";

    var RangeList = require("../range_list").RangeList;
    var oop = require("../lib/oop");
    var Fold = exports.Fold = function(range, placeholder) {
        this.foldLine = null;
        this.placeholder = placeholder;
        this.range = range;
        this.start = range.start;
        this.end = range.end;

        this.sameRow = range.start.row == range.end.row;
        this.subFolds = this.ranges = [];
    };

    oop.inherits(Fold, RangeList);

    (function() {

        this.toString = function() {
            return '"' + this.placeholder + '" ' + this.range.toString();
        };

        this.setFoldLine = function(foldLine) {
            this.foldLine = foldLine;
            this.subFolds.forEach(function(fold) {
                fold.setFoldLine(foldLine);
            });
        };

        this.clone = function() {
            var range = this.range.clone();
            var fold = new Fold(range, this.placeholder);
            this.subFolds.forEach(function(subFold) {
                fold.subFolds.push(subFold.clone());
            });
            fold.collapseChildren = this.collapseChildren;
            return fold;
        };

        this.addSubFold = function(fold) {
            if (this.range.isEqual(fold))
                return;
            consumeRange(fold, this.start);

            var row = fold.start.row, column = fold.start.column;
            for (var i = 0, cmp = -1; i < this.subFolds.length; i++) {
                cmp = this.subFolds[i].range.compare(row, column);
                if (cmp != 1)
                    break;
            }
            var afterStart = this.subFolds[i];
            var firstConsumed = 0;

            if (cmp == 0) {
                if (afterStart.range.containsRange(fold))
                    return afterStart.addSubFold(fold);
                else
                    firstConsumed = 1;
            }
            var row = fold.range.end.row, column = fold.range.end.column;
            for (var j = i, cmp = -1; j < this.subFolds.length; j++) {
                cmp = this.subFolds[j].range.compare(row, column);
                if (cmp != 1)
                    break;
            }
            if (cmp == 0)  j++;
            var consumedFolds = this.subFolds.splice(i, j - i, fold);
            var last = cmp == 0 ? consumedFolds.length - 1 : consumedFolds.length;
            for (var k = firstConsumed; k < last; k++) {
                fold.addSubFold(consumedFolds[k]);
            }
            fold.setFoldLine(this.foldLine);

            return fold;
        };

        this.restoreRange = function(range) {
            return restoreRange(range, this.start);
        };

    }).call(Fold.prototype);

    function consumePoint(point, anchor) {
        point.row -= anchor.row;
        if (point.row == 0)
            point.column -= anchor.column;
    }
    function consumeRange(range, anchor) {
        consumePoint(range.start, anchor);
        consumePoint(range.end, anchor);
    }
    function restorePoint(point, anchor) {
        if (point.row == 0)
            point.column += anchor.column;
        point.row += anchor.row;
    }
    function restoreRange(range, anchor) {
        restorePoint(range.start, anchor);
        restorePoint(range.end, anchor);
    }

});

define("ace/edit_session/folding",["require","exports","module","ace/range","ace/edit_session/fold_line","ace/edit_session/fold","ace/token_iterator"], function(require, exports, module) {
    "use strict";

    var Range = require("../range").Range;
    var FoldLine = require("./fold_line").FoldLine;
    var Fold = require("./fold").Fold;
    var TokenIterator = require("../token_iterator").TokenIterator;

    function Folding() {
        this.getFoldAt = function(row, column, side) {
            var foldLine = this.getFoldLine(row);
            if (!foldLine)
                return null;

            var folds = foldLine.folds;
            for (var i = 0; i < folds.length; i++) {
                var range = folds[i].range;
                if (range.contains(row, column)) {
                    if (side == 1 && range.isEnd(row, column) && !range.isEmpty()) {
                        continue;
                    } else if (side == -1 && range.isStart(row, column) && !range.isEmpty()) {
                        continue;
                    }
                    return folds[i];
                }
            }
        };
        this.getFoldsInRange = function(range) {
            var start = range.start;
            var end = range.end;
            var foldLines = this.$foldData;
            var foundFolds = [];

            start.column += 1;
            end.column -= 1;

            for (var i = 0; i < foldLines.length; i++) {
                var cmp = foldLines[i].range.compareRange(range);
                if (cmp == 2) {
                    continue;
                }
                else if (cmp == -2) {
                    break;
                }

                var folds = foldLines[i].folds;
                for (var j = 0; j < folds.length; j++) {
                    var fold = folds[j];
                    cmp = fold.range.compareRange(range);
                    if (cmp == -2) {
                        break;
                    } else if (cmp == 2) {
                        continue;
                    } else
                    if (cmp == 42) {
                        break;
                    }
                    foundFolds.push(fold);
                }
            }
            start.column -= 1;
            end.column += 1;

            return foundFolds;
        };

        this.getFoldsInRangeList = function(ranges) {
            if (Array.isArray(ranges)) {
                var folds = [];
                ranges.forEach(function(range) {
                    folds = folds.concat(this.getFoldsInRange(range));
                }, this);
            } else {
                var folds = this.getFoldsInRange(ranges);
            }
            return folds;
        };
        this.getAllFolds = function() {
            var folds = [];
            var foldLines = this.$foldData;

            for (var i = 0; i < foldLines.length; i++)
                for (var j = 0; j < foldLines[i].folds.length; j++)
                    folds.push(foldLines[i].folds[j]);

            return folds;
        };
        this.getFoldStringAt = function(row, column, trim, foldLine) {
            foldLine = foldLine || this.getFoldLine(row);
            if (!foldLine)
                return null;

            var lastFold = {
                end: { column: 0 }
            };
            var str, fold;
            for (var i = 0; i < foldLine.folds.length; i++) {
                fold = foldLine.folds[i];
                var cmp = fold.range.compareEnd(row, column);
                if (cmp == -1) {
                    str = this
                        .getLine(fold.start.row)
                        .substring(lastFold.end.column, fold.start.column);
                    break;
                }
                else if (cmp === 0) {
                    return null;
                }
                lastFold = fold;
            }
            if (!str)
                str = this.getLine(fold.start.row).substring(lastFold.end.column);

            if (trim == -1)
                return str.substring(0, column - lastFold.end.column);
            else if (trim == 1)
                return str.substring(column - lastFold.end.column);
            else
                return str;
        };

        this.getFoldLine = function(docRow, startFoldLine) {
            var foldData = this.$foldData;
            var i = 0;
            if (startFoldLine)
                i = foldData.indexOf(startFoldLine);
            if (i == -1)
                i = 0;
            for (i; i < foldData.length; i++) {
                var foldLine = foldData[i];
                if (foldLine.start.row <= docRow && foldLine.end.row >= docRow) {
                    return foldLine;
                } else if (foldLine.end.row > docRow) {
                    return null;
                }
            }
            return null;
        };
        this.getNextFoldLine = function(docRow, startFoldLine) {
            var foldData = this.$foldData;
            var i = 0;
            if (startFoldLine)
                i = foldData.indexOf(startFoldLine);
            if (i == -1)
                i = 0;
            for (i; i < foldData.length; i++) {
                var foldLine = foldData[i];
                if (foldLine.end.row >= docRow) {
                    return foldLine;
                }
            }
            return null;
        };

        this.getFoldedRowCount = function(first, last) {
            var foldData = this.$foldData, rowCount = last-first+1;
            for (var i = 0; i < foldData.length; i++) {
                var foldLine = foldData[i],
                    end = foldLine.end.row,
                    start = foldLine.start.row;
                if (end >= last) {
                    if (start < last) {
                        if (start >= first)
                            rowCount -= last-start;
                        else
                            rowCount = 0; // in one fold
                    }
                    break;
                } else if (end >= first){
                    if (start >= first) // fold inside range
                        rowCount -=  end-start;
                    else
                        rowCount -=  end-first+1;
                }
            }
            return rowCount;
        };

        this.$addFoldLine = function(foldLine) {
            this.$foldData.push(foldLine);
            this.$foldData.sort(function(a, b) {
                return a.start.row - b.start.row;
            });
            return foldLine;
        };
        this.addFold = function(placeholder, range) {
            var foldData = this.$foldData;
            var added = false;
            var fold;

            if (placeholder instanceof Fold)
                fold = placeholder;
            else {
                fold = new Fold(range, placeholder);
                fold.collapseChildren = range.collapseChildren;
            }
            this.$clipRangeToDocument(fold.range);

            var startRow = fold.start.row;
            var startColumn = fold.start.column;
            var endRow = fold.end.row;
            var endColumn = fold.end.column;

            var startFold = this.getFoldAt(startRow, startColumn, 1);
            var endFold = this.getFoldAt(endRow, endColumn, -1);
            if (startFold && endFold == startFold)
                return startFold.addSubFold(fold);

            if (startFold && !startFold.range.isStart(startRow, startColumn))
                this.removeFold(startFold);

            if (endFold && !endFold.range.isEnd(endRow, endColumn))
                this.removeFold(endFold);
            var folds = this.getFoldsInRange(fold.range);
            if (folds.length > 0) {
                this.removeFolds(folds);
                if (!fold.collapseChildren) {
                    folds.forEach(function(subFold) {
                        fold.addSubFold(subFold);
                    });
                }
            }

            for (var i = 0; i < foldData.length; i++) {
                var foldLine = foldData[i];
                if (endRow == foldLine.start.row) {
                    foldLine.addFold(fold);
                    added = true;
                    break;
                } else if (startRow == foldLine.end.row) {
                    foldLine.addFold(fold);
                    added = true;
                    if (!fold.sameRow) {
                        var foldLineNext = foldData[i + 1];
                        if (foldLineNext && foldLineNext.start.row == endRow) {
                            foldLine.merge(foldLineNext);
                            break;
                        }
                    }
                    break;
                } else if (endRow <= foldLine.start.row) {
                    break;
                }
            }

            if (!added)
                foldLine = this.$addFoldLine(new FoldLine(this.$foldData, fold));

            if (this.$useWrapMode)
                this.$updateWrapData(foldLine.start.row, foldLine.start.row);
            else
                this.$updateRowLengthCache(foldLine.start.row, foldLine.start.row);
            this.$modified = true;
            this._signal("changeFold", { data: fold, action: "add" });

            return fold;
        };

        this.addFolds = function(folds) {
            folds.forEach(function(fold) {
                this.addFold(fold);
            }, this);
        };

        this.removeFold = function(fold) {
            var foldLine = fold.foldLine;
            var startRow = foldLine.start.row;
            var endRow = foldLine.end.row;

            var foldLines = this.$foldData;
            var folds = foldLine.folds;
            if (folds.length == 1) {
                foldLines.splice(foldLines.indexOf(foldLine), 1);
            } else
            if (foldLine.range.isEnd(fold.end.row, fold.end.column)) {
                folds.pop();
                foldLine.end.row = folds[folds.length - 1].end.row;
                foldLine.end.column = folds[folds.length - 1].end.column;
            } else
            if (foldLine.range.isStart(fold.start.row, fold.start.column)) {
                folds.shift();
                foldLine.start.row = folds[0].start.row;
                foldLine.start.column = folds[0].start.column;
            } else
            if (fold.sameRow) {
                folds.splice(folds.indexOf(fold), 1);
            } else
            {
                var newFoldLine = foldLine.split(fold.start.row, fold.start.column);
                folds = newFoldLine.folds;
                folds.shift();
                newFoldLine.start.row = folds[0].start.row;
                newFoldLine.start.column = folds[0].start.column;
            }

            if (!this.$updating) {
                if (this.$useWrapMode)
                    this.$updateWrapData(startRow, endRow);
                else
                    this.$updateRowLengthCache(startRow, endRow);
            }
            this.$modified = true;
            this._signal("changeFold", { data: fold, action: "remove" });
        };

        this.removeFolds = function(folds) {
            var cloneFolds = [];
            for (var i = 0; i < folds.length; i++) {
                cloneFolds.push(folds[i]);
            }

            cloneFolds.forEach(function(fold) {
                this.removeFold(fold);
            }, this);
            this.$modified = true;
        };

        this.expandFold = function(fold) {
            this.removeFold(fold);
            fold.subFolds.forEach(function(subFold) {
                fold.restoreRange(subFold);
                this.addFold(subFold);
            }, this);
            if (fold.collapseChildren > 0) {
                this.foldAll(fold.start.row+1, fold.end.row, fold.collapseChildren-1);
            }
            fold.subFolds = [];
        };

        this.expandFolds = function(folds) {
            folds.forEach(function(fold) {
                this.expandFold(fold);
            }, this);
        };

        this.unfold = function(location, expandInner) {
            var range, folds;
            if (location == null) {
                range = new Range(0, 0, this.getLength(), 0);
                if (expandInner == null) expandInner = true;
            } else if (typeof location == "number") {
                range = new Range(location, 0, location, this.getLine(location).length);
            } else if ("row" in location) {
                range = Range.fromPoints(location, location);
            } else if (Array.isArray(location)) {
                folds = [];
                location.forEach(function(range) {
                    folds = folds.concat(this.unfold(range));
                }, this);
                return folds;
            } else {
                range = location;
            }

            folds = this.getFoldsInRangeList(range);
            var outermostFolds = folds;
            while (
                folds.length == 1
                && Range.comparePoints(folds[0].start, range.start) < 0
                && Range.comparePoints(folds[0].end, range.end) > 0
                ) {
                this.expandFolds(folds);
                folds = this.getFoldsInRangeList(range);
            }

            if (expandInner != false) {
                this.removeFolds(folds);
            } else {
                this.expandFolds(folds);
            }
            if (outermostFolds.length)
                return outermostFolds;
        };
        this.isRowFolded = function(docRow, startFoldRow) {
            return !!this.getFoldLine(docRow, startFoldRow);
        };

        this.getRowFoldEnd = function(docRow, startFoldRow) {
            var foldLine = this.getFoldLine(docRow, startFoldRow);
            return foldLine ? foldLine.end.row : docRow;
        };

        this.getRowFoldStart = function(docRow, startFoldRow) {
            var foldLine = this.getFoldLine(docRow, startFoldRow);
            return foldLine ? foldLine.start.row : docRow;
        };

        this.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {
            if (startRow == null)
                startRow = foldLine.start.row;
            if (startColumn == null)
                startColumn = 0;
            if (endRow == null)
                endRow = foldLine.end.row;
            if (endColumn == null)
                endColumn = this.getLine(endRow).length;
            var doc = this.doc;
            var textLine = "";

            foldLine.walk(function(placeholder, row, column, lastColumn) {
                if (row < startRow)
                    return;
                if (row == startRow) {
                    if (column < startColumn)
                        return;
                    lastColumn = Math.max(startColumn, lastColumn);
                }

                if (placeholder != null) {
                    textLine += placeholder;
                } else {
                    textLine += doc.getLine(row).substring(lastColumn, column);
                }
            }, endRow, endColumn);
            return textLine;
        };

        this.getDisplayLine = function(row, endColumn, startRow, startColumn) {
            var foldLine = this.getFoldLine(row);

            if (!foldLine) {
                var line;
                line = this.doc.getLine(row);
                return line.substring(startColumn || 0, endColumn || line.length);
            } else {
                return this.getFoldDisplayLine(
                    foldLine, row, endColumn, startRow, startColumn);
            }
        };

        this.$cloneFoldData = function() {
            var fd = [];
            fd = this.$foldData.map(function(foldLine) {
                var folds = foldLine.folds.map(function(fold) {
                    return fold.clone();
                });
                return new FoldLine(fd, folds);
            });

            return fd;
        };

        this.toggleFold = function(tryToUnfold) {
            var selection = this.selection;
            var range = selection.getRange();
            var fold;
            var bracketPos;

            if (range.isEmpty()) {
                var cursor = range.start;
                fold = this.getFoldAt(cursor.row, cursor.column);

                if (fold) {
                    this.expandFold(fold);
                    return;
                } else if (bracketPos = this.findMatchingBracket(cursor)) {
                    if (range.comparePoint(bracketPos) == 1) {
                        range.end = bracketPos;
                    } else {
                        range.start = bracketPos;
                        range.start.column++;
                        range.end.column--;
                    }
                } else if (bracketPos = this.findMatchingBracket({row: cursor.row, column: cursor.column + 1})) {
                    if (range.comparePoint(bracketPos) == 1)
                        range.end = bracketPos;
                    else
                        range.start = bracketPos;

                    range.start.column++;
                } else {
                    range = this.getCommentFoldRange(cursor.row, cursor.column) || range;
                }
            } else {
                var folds = this.getFoldsInRange(range);
                if (tryToUnfold && folds.length) {
                    this.expandFolds(folds);
                    return;
                } else if (folds.length == 1 ) {
                    fold = folds[0];
                }
            }

            if (!fold)
                fold = this.getFoldAt(range.start.row, range.start.column);

            if (fold && fold.range.toString() == range.toString()) {
                this.expandFold(fold);
                return;
            }

            var placeholder = "...";
            if (!range.isMultiLine()) {
                placeholder = this.getTextRange(range);
                if (placeholder.length < 4)
                    return;
                placeholder = placeholder.trim().substring(0, 2) + "..";
            }

            this.addFold(placeholder, range);
        };

        this.getCommentFoldRange = function(row, column, dir) {
            var iterator = new TokenIterator(this, row, column);
            var token = iterator.getCurrentToken();
            var type = token && token.type;
            if (token && /^comment|string/.test(type)) {
                type = type.match(/comment|string/)[0];
                if (type == "comment")
                    type += "|doc-start";
                var re = new RegExp(type);
                var range = new Range();
                if (dir != 1) {
                    do {
                        token = iterator.stepBackward();
                    } while (token && re.test(token.type));
                    iterator.stepForward();
                }

                range.start.row = iterator.getCurrentTokenRow();
                range.start.column = iterator.getCurrentTokenColumn() + 2;

                iterator = new TokenIterator(this, row, column);

                if (dir != -1) {
                    var lastRow = -1;
                    do {
                        token = iterator.stepForward();
                        if (lastRow == -1) {
                            var state = this.getState(iterator.$row);
                            if (!re.test(state))
                                lastRow = iterator.$row;
                        } else if (iterator.$row > lastRow) {
                            break;
                        }
                    } while (token && re.test(token.type));
                    token = iterator.stepBackward();
                } else
                    token = iterator.getCurrentToken();

                range.end.row = iterator.getCurrentTokenRow();
                range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;
                return range;
            }
        };

        this.foldAll = function(startRow, endRow, depth, test) {
            if (depth == undefined)
                depth = 100000; // JSON.stringify doesn't hanle Infinity
            var foldWidgets = this.foldWidgets;
            if (!foldWidgets)
                return; // mode doesn't support folding
            endRow = endRow || this.getLength();
            startRow = startRow || 0;
            for (var row = startRow; row < endRow; row++) {
                if (foldWidgets[row] == null)
                    foldWidgets[row] = this.getFoldWidget(row);
                if (foldWidgets[row] != "start")
                    continue;

                if (test && !test(row)) continue;

                var range = this.getFoldWidgetRange(row);
                if (range && range.isMultiLine()
                    && range.end.row <= endRow
                    && range.start.row >= startRow
                ) {
                    row = range.end.row;
                    range.collapseChildren = depth;
                    this.addFold("...", range);
                }
            }
        };

        this.foldToLevel = function(level) {
            this.foldAll();
            while (level-- > 0)
                this.unfold(null, false);
        };

        this.foldAllComments = function() {
            var session = this;
            this.foldAll(null, null, null, function(row) {
                var tokens = session.getTokens(row);
                for (var i = 0; i < tokens.length; i++) {
                    var token = tokens[i];
                    if (token.type == "text" && /^\s+$/.test(token.value))
                        continue;
                    if (/comment/.test(token.type))
                        return true;
                    return false;
                }
            });
        };
        this.$foldStyles = {
            "manual": 1,
            "markbegin": 1,
            "markbeginend": 1
        };
        this.$foldStyle = "markbegin";
        this.setFoldStyle = function(style) {
            if (!this.$foldStyles[style])
                throw new Error("invalid fold style: " + style + "[" + Object.keys(this.$foldStyles).join(", ") + "]");

            if (this.$foldStyle == style)
                return;

            this.$foldStyle = style;

            if (style == "manual")
                this.unfold();
            var mode = this.$foldMode;
            this.$setFolding(null);
            this.$setFolding(mode);
        };

        this.$setFolding = function(foldMode) {
            if (this.$foldMode == foldMode)
                return;

            this.$foldMode = foldMode;

            this.off('change', this.$updateFoldWidgets);
            this.off('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
            this._signal("changeAnnotation");

            if (!foldMode || this.$foldStyle == "manual") {
                this.foldWidgets = null;
                return;
            }

            this.foldWidgets = [];
            this.getFoldWidget = foldMode.getFoldWidget.bind(foldMode, this, this.$foldStyle);
            this.getFoldWidgetRange = foldMode.getFoldWidgetRange.bind(foldMode, this, this.$foldStyle);

            this.$updateFoldWidgets = this.updateFoldWidgets.bind(this);
            this.$tokenizerUpdateFoldWidgets = this.tokenizerUpdateFoldWidgets.bind(this);
            this.on('change', this.$updateFoldWidgets);
            this.on('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
        };

        this.getParentFoldRangeData = function (row, ignoreCurrent) {
            var fw = this.foldWidgets;
            if (!fw || (ignoreCurrent && fw[row]))
                return {};

            var i = row - 1, firstRange;
            while (i >= 0) {
                var c = fw[i];
                if (c == null)
                    c = fw[i] = this.getFoldWidget(i);

                if (c == "start") {
                    var range = this.getFoldWidgetRange(i);
                    if (!firstRange)
                        firstRange = range;
                    if (range && range.end.row >= row)
                        break;
                }
                i--;
            }

            return {
                range: i !== -1 && range,
                firstRange: firstRange
            };
        };

        this.onFoldWidgetClick = function(row, e) {
            e = e.domEvent;
            var options = {
                children: e.shiftKey,
                all: e.ctrlKey || e.metaKey,
                siblings: e.altKey
            };

            var range = this.$toggleFoldWidget(row, options);
            if (!range) {
                var el = (e.target || e.srcElement);
                if (el && /ace_fold-widget/.test(el.className))
                    el.className += " ace_invalid";
            }
        };

        this.$toggleFoldWidget = function(row, options) {
            if (!this.getFoldWidget)
                return;
            var type = this.getFoldWidget(row);
            var line = this.getLine(row);

            var dir = type === "end" ? -1 : 1;
            var fold = this.getFoldAt(row, dir === -1 ? 0 : line.length, dir);

            if (fold) {
                if (options.children || options.all)
                    this.removeFold(fold);
                else
                    this.expandFold(fold);
                return fold;
            }

            var range = this.getFoldWidgetRange(row, true);
            if (range && !range.isMultiLine()) {
                fold = this.getFoldAt(range.start.row, range.start.column, 1);
                if (fold && range.isEqual(fold.range)) {
                    this.removeFold(fold);
                    return fold;
                }
            }

            if (options.siblings) {
                var data = this.getParentFoldRangeData(row);
                if (data.range) {
                    var startRow = data.range.start.row + 1;
                    var endRow = data.range.end.row;
                }
                this.foldAll(startRow, endRow, options.all ? 10000 : 0);
            } else if (options.children) {
                endRow = range ? range.end.row : this.getLength();
                this.foldAll(row + 1, endRow, options.all ? 10000 : 0);
            } else if (range) {
                if (options.all)
                    range.collapseChildren = 10000;
                this.addFold("...", range);
            }

            return range;
        };



        this.toggleFoldWidget = function(toggleParent) {
            var row = this.selection.getCursor().row;
            row = this.getRowFoldStart(row);
            var range = this.$toggleFoldWidget(row, {});

            if (range)
                return;
            var data = this.getParentFoldRangeData(row, true);
            range = data.range || data.firstRange;

            if (range) {
                row = range.start.row;
                var fold = this.getFoldAt(row, this.getLine(row).length, 1);

                if (fold) {
                    this.removeFold(fold);
                } else {
                    this.addFold("...", range);
                }
            }
        };

        this.updateFoldWidgets = function(delta) {
            var firstRow = delta.start.row;
            var len = delta.end.row - firstRow;

            if (len === 0) {
                this.foldWidgets[firstRow] = null;
            } else if (delta.action == 'remove') {
                this.foldWidgets.splice(firstRow, len + 1, null);
            } else {
                var args = Array(len + 1);
                args.unshift(firstRow, 1);
                this.foldWidgets.splice.apply(this.foldWidgets, args);
            }
        };
        this.tokenizerUpdateFoldWidgets = function(e) {
            var rows = e.data;
            if (rows.first != rows.last) {
                if (this.foldWidgets.length > rows.first)
                    this.foldWidgets.splice(rows.first, this.foldWidgets.length);
            }
        };
    }

    exports.Folding = Folding;

});

define("ace/edit_session/bracket_match",["require","exports","module","ace/token_iterator","ace/range"], function(require, exports, module) {
    "use strict";

    var TokenIterator = require("../token_iterator").TokenIterator;
    var Range = require("../range").Range;


    function BracketMatch() {

        this.findMatchingBracket = function(position, chr) {
            if (position.column == 0) return null;

            var charBeforeCursor = chr || this.getLine(position.row).charAt(position.column-1);
            if (charBeforeCursor == "") return null;

            var match = charBeforeCursor.match(/([\(\[\{])|([\)\]\}])/);
            if (!match)
                return null;

            if (match[1])
                return this.$findClosingBracket(match[1], position);
            else
                return this.$findOpeningBracket(match[2], position);
        };

        this.getBracketRange = function(pos) {
            var line = this.getLine(pos.row);
            var before = true, range;

            var chr = line.charAt(pos.column - 1);
            var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
            if (!match) {
                chr = line.charAt(pos.column);
                pos = {row: pos.row, column: pos.column + 1};
                match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
                before = false;
            }
            if (!match)
                return null;

            if (match[1]) {
                var bracketPos = this.$findClosingBracket(match[1], pos);
                if (!bracketPos)
                    return null;
                range = Range.fromPoints(pos, bracketPos);
                if (!before) {
                    range.end.column++;
                    range.start.column--;
                }
                range.cursor = range.end;
            } else {
                var bracketPos = this.$findOpeningBracket(match[2], pos);
                if (!bracketPos)
                    return null;
                range = Range.fromPoints(bracketPos, pos);
                if (!before) {
                    range.start.column++;
                    range.end.column--;
                }
                range.cursor = range.start;
            }

            return range;
        };
        this.getMatchingBracketRanges = function(pos) {
            var line = this.getLine(pos.row);

            var chr = line.charAt(pos.column - 1);
            var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
            if (!match) {
                chr = line.charAt(pos.column);
                pos = {row: pos.row, column: pos.column + 1};
                match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
            }

            if (!match)
                return null;

            var startRange = new Range(pos.row, pos.column - 1, pos.row, pos.column);
            var bracketPos = match[1] ? this.$findClosingBracket(match[1], pos)
                : this.$findOpeningBracket(match[2], pos);
            if (!bracketPos)
                return [startRange];
            var endRange = new Range(bracketPos.row, bracketPos.column, bracketPos.row, bracketPos.column + 1);

            return [startRange, endRange];
        };

        this.$brackets = {
            ")": "(",
            "(": ")",
            "]": "[",
            "[": "]",
            "{": "}",
            "}": "{",
            "<": ">",
            ">": "<"
        };

        this.$findOpeningBracket = function(bracket, position, typeRe) {
            var openBracket = this.$brackets[bracket];
            var depth = 1;

            var iterator = new TokenIterator(this, position.row, position.column);
            var token = iterator.getCurrentToken();
            if (!token)
                token = iterator.stepForward();
            if (!token)
                return;

            if (!typeRe){
                typeRe = new RegExp(
                    "(\\.?" +
                    token.type.replace(".", "\\.").replace("rparen", ".paren")
                        .replace(/\b(?:end)\b/, "(?:start|begin|end)")
                    + ")+"
                );
            }
            var valueIndex = position.column - iterator.getCurrentTokenColumn() - 2;
            var value = token.value;

            while (true) {

                while (valueIndex >= 0) {
                    var chr = value.charAt(valueIndex);
                    if (chr == openBracket) {
                        depth -= 1;
                        if (depth == 0) {
                            return {row: iterator.getCurrentTokenRow(),
                                column: valueIndex + iterator.getCurrentTokenColumn()};
                        }
                    }
                    else if (chr == bracket) {
                        depth += 1;
                    }
                    valueIndex -= 1;
                }
                do {
                    token = iterator.stepBackward();
                } while (token && !typeRe.test(token.type));

                if (token == null)
                    break;

                value = token.value;
                valueIndex = value.length - 1;
            }

            return null;
        };

        this.$findClosingBracket = function(bracket, position, typeRe) {
            var closingBracket = this.$brackets[bracket];
            var depth = 1;

            var iterator = new TokenIterator(this, position.row, position.column);
            var token = iterator.getCurrentToken();
            if (!token)
                token = iterator.stepForward();
            if (!token)
                return;

            if (!typeRe){
                typeRe = new RegExp(
                    "(\\.?" +
                    token.type.replace(".", "\\.").replace("lparen", ".paren")
                        .replace(/\b(?:start|begin)\b/, "(?:start|begin|end)")
                    + ")+"
                );
            }
            var valueIndex = position.column - iterator.getCurrentTokenColumn();

            while (true) {

                var value = token.value;
                var valueLength = value.length;
                while (valueIndex < valueLength) {
                    var chr = value.charAt(valueIndex);
                    if (chr == closingBracket) {
                        depth -= 1;
                        if (depth == 0) {
                            return {row: iterator.getCurrentTokenRow(),
                                column: valueIndex + iterator.getCurrentTokenColumn()};
                        }
                    }
                    else if (chr == bracket) {
                        depth += 1;
                    }
                    valueIndex += 1;
                }
                do {
                    token = iterator.stepForward();
                } while (token && !typeRe.test(token.type));

                if (token == null)
                    break;

                valueIndex = 0;
            }

            return null;
        };
    }
    exports.BracketMatch = BracketMatch;

});

define("ace/edit_session",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/bidihandler","ace/config","ace/lib/event_emitter","ace/selection","ace/mode/text","ace/range","ace/document","ace/background_tokenizer","ace/search_highlight","ace/edit_session/folding","ace/edit_session/bracket_match"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var lang = require("./lib/lang");
    var BidiHandler = require("./bidihandler").BidiHandler;
    var config = require("./config");
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var Selection = require("./selection").Selection;
    var TextMode = require("./mode/text").Mode;
    var Range = require("./range").Range;
    var Document = require("./document").Document;
    var BackgroundTokenizer = require("./background_tokenizer").BackgroundTokenizer;
    var SearchHighlight = require("./search_highlight").SearchHighlight;

    var EditSession = function(text, mode) {
        this.$breakpoints = [];
        this.$decorations = [];
        this.$frontMarkers = {};
        this.$backMarkers = {};
        this.$markerId = 1;
        this.$undoSelect = true;

        this.$foldData = [];
        this.id = "session" + (++EditSession.$uid);
        this.$foldData.toString = function() {
            return this.join("\n");
        };
        this.bgTokenizer = new BackgroundTokenizer((new TextMode()).getTokenizer(), this);

        var _self = this;
        this.bgTokenizer.on("update", function(e) {
            _self._signal("tokenizerUpdate", e);
        });

        this.on("changeFold", this.onChangeFold.bind(this));
        this.$onChange = this.onChange.bind(this);

        if (typeof text != "object" || !text.getLine)
            text = new Document(text);

        this.setDocument(text);
        this.selection = new Selection(this);
        this.$bidiHandler = new BidiHandler(this);

        config.resetOptions(this);
        this.setMode(mode);
        config._signal("session", this);

        this.destroyed = false;
    };


    EditSession.$uid = 0;

    (function() {

        oop.implement(this, EventEmitter);
        this.setDocument = function(doc) {
            if (this.doc)
                this.doc.off("change", this.$onChange);

            this.doc = doc;
            doc.on("change", this.$onChange);

            this.bgTokenizer.setDocument(this.getDocument());

            this.resetCaches();
        };
        this.getDocument = function() {
            return this.doc;
        };
        this.$resetRowCache = function(docRow) {
            if (!docRow) {
                this.$docRowCache = [];
                this.$screenRowCache = [];
                return;
            }
            var l = this.$docRowCache.length;
            var i = this.$getRowCacheIndex(this.$docRowCache, docRow) + 1;
            if (l > i) {
                this.$docRowCache.splice(i, l);
                this.$screenRowCache.splice(i, l);
            }
        };

        this.$getRowCacheIndex = function(cacheArray, val) {
            var low = 0;
            var hi = cacheArray.length - 1;

            while (low <= hi) {
                var mid = (low + hi) >> 1;
                var c = cacheArray[mid];

                if (val > c)
                    low = mid + 1;
                else if (val < c)
                    hi = mid - 1;
                else
                    return mid;
            }

            return low -1;
        };

        this.resetCaches = function() {
            this.$modified = true;
            this.$wrapData = [];
            this.$rowLengthCache = [];
            this.$resetRowCache(0);
            if (!this.destroyed)
                this.bgTokenizer.start(0);
        };

        this.onChangeFold = function(e) {
            var fold = e.data;
            this.$resetRowCache(fold.start.row);
        };

        this.onChange = function(delta) {
            this.$modified = true;
            this.$bidiHandler.onChange(delta);
            this.$resetRowCache(delta.start.row);

            var removedFolds = this.$updateInternalDataOnChange(delta);
            if (!this.$fromUndo && this.$undoManager) {
                if (removedFolds && removedFolds.length) {
                    this.$undoManager.add({
                        action: "removeFolds",
                        folds:  removedFolds
                    }, this.mergeUndoDeltas);
                    this.mergeUndoDeltas = true;
                }
                this.$undoManager.add(delta, this.mergeUndoDeltas);
                this.mergeUndoDeltas = true;

                this.$informUndoManager.schedule();
            }

            this.bgTokenizer.$updateOnChange(delta);
            this._signal("change", delta);
        };
        this.setValue = function(text) {
            this.doc.setValue(text);
            this.selection.moveTo(0, 0);

            this.$resetRowCache(0);
            this.setUndoManager(this.$undoManager);
            this.getUndoManager().reset();
        };
        this.getValue =
            this.toString = function() {
                return this.doc.getValue();
            };
        this.getSelection = function() {
            return this.selection;
        };
        this.getState = function(row) {
            return this.bgTokenizer.getState(row);
        };
        this.getTokens = function(row) {
            return this.bgTokenizer.getTokens(row);
        };
        this.getTokenAt = function(row, column) {
            var tokens = this.bgTokenizer.getTokens(row);
            var token, c = 0;
            if (column == null) {
                var i = tokens.length - 1;
                c = this.getLine(row).length;
            } else {
                for (var i = 0; i < tokens.length; i++) {
                    c += tokens[i].value.length;
                    if (c >= column)
                        break;
                }
            }
            token = tokens[i];
            if (!token)
                return null;
            token.index = i;
            token.start = c - token.value.length;
            return token;
        };
        this.setUndoManager = function(undoManager) {
            this.$undoManager = undoManager;

            if (this.$informUndoManager)
                this.$informUndoManager.cancel();

            if (undoManager) {
                var self = this;
                undoManager.addSession(this);
                this.$syncInformUndoManager = function() {
                    self.$informUndoManager.cancel();
                    self.mergeUndoDeltas = false;
                };
                this.$informUndoManager = lang.delayedCall(this.$syncInformUndoManager);
            } else {
                this.$syncInformUndoManager = function() {};
            }
        };
        this.markUndoGroup = function() {
            if (this.$syncInformUndoManager)
                this.$syncInformUndoManager();
        };

        this.$defaultUndoManager = {
            undo: function() {},
            redo: function() {},
            hasUndo: function() {},
            hasRedo: function() {},
            reset: function() {},
            add: function() {},
            addSelection: function() {},
            startNewGroup: function() {},
            addSession: function() {}
        };
        this.getUndoManager = function() {
            return this.$undoManager || this.$defaultUndoManager;
        };
        this.getTabString = function() {
            if (this.getUseSoftTabs()) {
                return lang.stringRepeat(" ", this.getTabSize());
            } else {
                return "\t";
            }
        };
        this.setUseSoftTabs = function(val) {
            this.setOption("useSoftTabs", val);
        };
        this.getUseSoftTabs = function() {
            return this.$useSoftTabs && !this.$mode.$indentWithTabs;
        };
        this.setTabSize = function(tabSize) {
            this.setOption("tabSize", tabSize);
        };
        this.getTabSize = function() {
            return this.$tabSize;
        };
        this.isTabStop = function(position) {
            return this.$useSoftTabs && (position.column % this.$tabSize === 0);
        };
        this.setNavigateWithinSoftTabs = function (navigateWithinSoftTabs) {
            this.setOption("navigateWithinSoftTabs", navigateWithinSoftTabs);
        };
        this.getNavigateWithinSoftTabs = function() {
            return this.$navigateWithinSoftTabs;
        };

        this.$overwrite = false;
        this.setOverwrite = function(overwrite) {
            this.setOption("overwrite", overwrite);
        };
        this.getOverwrite = function() {
            return this.$overwrite;
        };
        this.toggleOverwrite = function() {
            this.setOverwrite(!this.$overwrite);
        };
        this.addGutterDecoration = function(row, className) {
            if (!this.$decorations[row])
                this.$decorations[row] = "";
            this.$decorations[row] += " " + className;
            this._signal("changeBreakpoint", {});
        };
        this.removeGutterDecoration = function(row, className) {
            this.$decorations[row] = (this.$decorations[row] || "").replace(" " + className, "");
            this._signal("changeBreakpoint", {});
        };
        this.getBreakpoints = function() {
            return this.$breakpoints;
        };
        this.setBreakpoints = function(rows) {
            this.$breakpoints = [];
            for (var i=0; i<rows.length; i++) {
                this.$breakpoints[rows[i]] = "ace_breakpoint";
            }
            this._signal("changeBreakpoint", {});
        };
        this.clearBreakpoints = function() {
            this.$breakpoints = [];
            this._signal("changeBreakpoint", {});
        };
        this.setBreakpoint = function(row, className) {
            if (className === undefined)
                className = "ace_breakpoint";
            if (className)
                this.$breakpoints[row] = className;
            else
                delete this.$breakpoints[row];
            this._signal("changeBreakpoint", {});
        };
        this.clearBreakpoint = function(row) {
            delete this.$breakpoints[row];
            this._signal("changeBreakpoint", {});
        };
        this.addMarker = function(range, clazz, type, inFront) {
            var id = this.$markerId++;

            var marker = {
                range : range,
                type : type || "line",
                renderer: typeof type == "function" ? type : null,
                clazz : clazz,
                inFront: !!inFront,
                id: id
            };

            if (inFront) {
                this.$frontMarkers[id] = marker;
                this._signal("changeFrontMarker");
            } else {
                this.$backMarkers[id] = marker;
                this._signal("changeBackMarker");
            }

            return id;
        };
        this.addDynamicMarker = function(marker, inFront) {
            if (!marker.update)
                return;
            var id = this.$markerId++;
            marker.id = id;
            marker.inFront = !!inFront;

            if (inFront) {
                this.$frontMarkers[id] = marker;
                this._signal("changeFrontMarker");
            } else {
                this.$backMarkers[id] = marker;
                this._signal("changeBackMarker");
            }

            return marker;
        };
        this.removeMarker = function(markerId) {
            var marker = this.$frontMarkers[markerId] || this.$backMarkers[markerId];
            if (!marker)
                return;

            var markers = marker.inFront ? this.$frontMarkers : this.$backMarkers;
            delete (markers[markerId]);
            this._signal(marker.inFront ? "changeFrontMarker" : "changeBackMarker");
        };
        this.getMarkers = function(inFront) {
            return inFront ? this.$frontMarkers : this.$backMarkers;
        };

        this.highlight = function(re) {
            if (!this.$searchHighlight) {
                var highlight = new SearchHighlight(null, "ace_selected-word", "text");
                this.$searchHighlight = this.addDynamicMarker(highlight);
            }
            this.$searchHighlight.setRegexp(re);
        };
        this.highlightLines = function(startRow, endRow, clazz, inFront) {
            if (typeof endRow != "number") {
                clazz = endRow;
                endRow = startRow;
            }
            if (!clazz)
                clazz = "ace_step";

            var range = new Range(startRow, 0, endRow, Infinity);
            range.id = this.addMarker(range, clazz, "fullLine", inFront);
            return range;
        };
        this.setAnnotations = function(annotations) {
            this.$annotations = annotations;
            this._signal("changeAnnotation", {});
        };
        this.getAnnotations = function() {
            return this.$annotations || [];
        };
        this.clearAnnotations = function() {
            this.setAnnotations([]);
        };
        this.$detectNewLine = function(text) {
            var match = text.match(/^.*?(\r?\n)/m);
            if (match) {
                this.$autoNewLine = match[1];
            } else {
                this.$autoNewLine = "\n";
            }
        };
        this.getWordRange = function(row, column) {
            var line = this.getLine(row);

            var inToken = false;
            if (column > 0)
                inToken = !!line.charAt(column - 1).match(this.tokenRe);

            if (!inToken)
                inToken = !!line.charAt(column).match(this.tokenRe);

            if (inToken)
                var re = this.tokenRe;
            else if (/^\s+$/.test(line.slice(column-1, column+1)))
                var re = /\s/;
            else
                var re = this.nonTokenRe;

            var start = column;
            if (start > 0) {
                do {
                    start--;
                }
                while (start >= 0 && line.charAt(start).match(re));
                start++;
            }

            var end = column;
            while (end < line.length && line.charAt(end).match(re)) {
                end++;
            }

            return new Range(row, start, row, end);
        };
        this.getAWordRange = function(row, column) {
            var wordRange = this.getWordRange(row, column);
            var line = this.getLine(wordRange.end.row);

            while (line.charAt(wordRange.end.column).match(/[ \t]/)) {
                wordRange.end.column += 1;
            }
            return wordRange;
        };
        this.setNewLineMode = function(newLineMode) {
            this.doc.setNewLineMode(newLineMode);
        };
        this.getNewLineMode = function() {
            return this.doc.getNewLineMode();
        };
        this.setUseWorker = function(useWorker) { this.setOption("useWorker", useWorker); };
        this.getUseWorker = function() { return this.$useWorker; };
        this.onReloadTokenizer = function(e) {
            var rows = e.data;
            this.bgTokenizer.start(rows.first);
            this._signal("tokenizerUpdate", e);
        };

        this.$modes = config.$modes;
        this.$mode = null;
        this.$modeId = null;
        this.setMode = function(mode, cb) {
            if (mode && typeof mode === "object") {
                if (mode.getTokenizer)
                    return this.$onChangeMode(mode);
                var options = mode;
                var path = options.path;
            } else {
                path = mode || "ace/mode/text";
            }
            if (!this.$modes["ace/mode/text"])
                this.$modes["ace/mode/text"] = new TextMode();

            if (this.$modes[path] && !options) {
                this.$onChangeMode(this.$modes[path]);
                cb && cb();
                return;
            }
            this.$modeId = path;
            config.loadModule(["mode", path], function(m) {
                if (this.$modeId !== path)
                    return cb && cb();
                if (this.$modes[path] && !options) {
                    this.$onChangeMode(this.$modes[path]);
                } else if (m && m.Mode) {
                    m = new m.Mode(options);
                    if (!options) {
                        this.$modes[path] = m;
                        m.$id = path;
                    }
                    this.$onChangeMode(m);
                }
                cb && cb();
            }.bind(this));
            if (!this.$mode)
                this.$onChangeMode(this.$modes["ace/mode/text"], true);
        };

        this.$onChangeMode = function(mode, $isPlaceholder) {
            if (!$isPlaceholder)
                this.$modeId = mode.$id;
            if (this.$mode === mode)
                return;

            var oldMode = this.$mode;
            this.$mode = mode;

            this.$stopWorker();

            if (this.$useWorker)
                this.$startWorker();

            var tokenizer = mode.getTokenizer();

            if(tokenizer.on !== undefined) {
                var onReloadTokenizer = this.onReloadTokenizer.bind(this);
                tokenizer.on("update", onReloadTokenizer);
            }

            this.bgTokenizer.setTokenizer(tokenizer);
            this.bgTokenizer.setDocument(this.getDocument());

            this.tokenRe = mode.tokenRe;
            this.nonTokenRe = mode.nonTokenRe;


            if (!$isPlaceholder) {
                if (mode.attachToSession)
                    mode.attachToSession(this);
                this.$options.wrapMethod.set.call(this, this.$wrapMethod);
                this.$setFolding(mode.foldingRules);
                this.bgTokenizer.start(0);
                this._emit("changeMode", {oldMode: oldMode, mode: mode});
            }
        };

        this.$stopWorker = function() {
            if (this.$worker) {
                this.$worker.terminate();
                this.$worker = null;
            }
        };

        this.$startWorker = function() {
            try {
                this.$worker = this.$mode.createWorker(this);
            } catch (e) {
                config.warn("Could not load worker", e);
                this.$worker = null;
            }
        };
        this.getMode = function() {
            return this.$mode;
        };

        this.$scrollTop = 0;
        this.setScrollTop = function(scrollTop) {
            if (this.$scrollTop === scrollTop || isNaN(scrollTop))
                return;

            this.$scrollTop = scrollTop;
            this._signal("changeScrollTop", scrollTop);
        };
        this.getScrollTop = function() {
            return this.$scrollTop;
        };

        this.$scrollLeft = 0;
        this.setScrollLeft = function(scrollLeft) {
            if (this.$scrollLeft === scrollLeft || isNaN(scrollLeft))
                return;

            this.$scrollLeft = scrollLeft;
            this._signal("changeScrollLeft", scrollLeft);
        };
        this.getScrollLeft = function() {
            return this.$scrollLeft;
        };
        this.getScreenWidth = function() {
            this.$computeWidth();
            if (this.lineWidgets)
                return Math.max(this.getLineWidgetMaxWidth(), this.screenWidth);
            return this.screenWidth;
        };

        this.getLineWidgetMaxWidth = function() {
            if (this.lineWidgetsWidth != null) return this.lineWidgetsWidth;
            var width = 0;
            this.lineWidgets.forEach(function(w) {
                if (w && w.screenWidth > width)
                    width = w.screenWidth;
            });
            return this.lineWidgetWidth = width;
        };

        this.$computeWidth = function(force) {
            if (this.$modified || force) {
                this.$modified = false;

                if (this.$useWrapMode)
                    return this.screenWidth = this.$wrapLimit;

                var lines = this.doc.getAllLines();
                var cache = this.$rowLengthCache;
                var longestScreenLine = 0;
                var foldIndex = 0;
                var foldLine = this.$foldData[foldIndex];
                var foldStart = foldLine ? foldLine.start.row : Infinity;
                var len = lines.length;

                for (var i = 0; i < len; i++) {
                    if (i > foldStart) {
                        i = foldLine.end.row + 1;
                        if (i >= len)
                            break;
                        foldLine = this.$foldData[foldIndex++];
                        foldStart = foldLine ? foldLine.start.row : Infinity;
                    }

                    if (cache[i] == null)
                        cache[i] = this.$getStringScreenWidth(lines[i])[0];

                    if (cache[i] > longestScreenLine)
                        longestScreenLine = cache[i];
                }
                this.screenWidth = longestScreenLine;
            }
        };
        this.getLine = function(row) {
            return this.doc.getLine(row);
        };
        this.getLines = function(firstRow, lastRow) {
            return this.doc.getLines(firstRow, lastRow);
        };
        this.getLength = function() {
            return this.doc.getLength();
        };
        this.getTextRange = function(range) {
            return this.doc.getTextRange(range || this.selection.getRange());
        };
        this.insert = function(position, text) {
            return this.doc.insert(position, text);
        };
        this.remove = function(range) {
            return this.doc.remove(range);
        };
        this.removeFullLines = function(firstRow, lastRow){
            return this.doc.removeFullLines(firstRow, lastRow);
        };
        this.undoChanges = function(deltas, dontSelect) {
            if (!deltas.length)
                return;

            this.$fromUndo = true;
            for (var i = deltas.length - 1; i != -1; i--) {
                var delta = deltas[i];
                if (delta.action == "insert" || delta.action == "remove") {
                    this.doc.revertDelta(delta);
                } else if (delta.folds) {
                    this.addFolds(delta.folds);
                }
            }
            if (!dontSelect && this.$undoSelect) {
                if (deltas.selectionBefore)
                    this.selection.fromJSON(deltas.selectionBefore);
                else
                    this.selection.setRange(this.$getUndoSelection(deltas, true));
            }
            this.$fromUndo = false;
        };
        this.redoChanges = function(deltas, dontSelect) {
            if (!deltas.length)
                return;

            this.$fromUndo = true;
            for (var i = 0; i < deltas.length; i++) {
                var delta = deltas[i];
                if (delta.action == "insert" || delta.action == "remove") {
                    this.doc.$safeApplyDelta(delta);
                }
            }

            if (!dontSelect && this.$undoSelect) {
                if (deltas.selectionAfter)
                    this.selection.fromJSON(deltas.selectionAfter);
                else
                    this.selection.setRange(this.$getUndoSelection(deltas, false));
            }
            this.$fromUndo = false;
        };
        this.setUndoSelect = function(enable) {
            this.$undoSelect = enable;
        };

        this.$getUndoSelection = function(deltas, isUndo) {
            function isInsert(delta) {
                return isUndo ? delta.action !== "insert" : delta.action === "insert";
            }

            var range, point;

            for (var i = 0; i < deltas.length; i++) {
                var delta = deltas[i];
                if (!delta.start) continue; // skip folds
                if (!range) {
                    if (isInsert(delta)) {
                        range = Range.fromPoints(delta.start, delta.end);
                    } else {
                        range = Range.fromPoints(delta.start, delta.start);
                    }
                    continue;
                }

                if (isInsert(delta)) {
                    point = delta.start;
                    if (range.compare(point.row, point.column) == -1) {
                        range.setStart(point);
                    }
                    point = delta.end;
                    if (range.compare(point.row, point.column) == 1) {
                        range.setEnd(point);
                    }
                } else {
                    point = delta.start;
                    if (range.compare(point.row, point.column) == -1) {
                        range = Range.fromPoints(delta.start, delta.start);
                    }
                }
            }
            return range;
        };
        this.replace = function(range, text) {
            return this.doc.replace(range, text);
        };
        this.moveText = function(fromRange, toPosition, copy) {
            var text = this.getTextRange(fromRange);
            var folds = this.getFoldsInRange(fromRange);

            var toRange = Range.fromPoints(toPosition, toPosition);
            if (!copy) {
                this.remove(fromRange);
                var rowDiff = fromRange.start.row - fromRange.end.row;
                var collDiff = rowDiff ? -fromRange.end.column : fromRange.start.column - fromRange.end.column;
                if (collDiff) {
                    if (toRange.start.row == fromRange.end.row && toRange.start.column > fromRange.end.column)
                        toRange.start.column += collDiff;
                    if (toRange.end.row == fromRange.end.row && toRange.end.column > fromRange.end.column)
                        toRange.end.column += collDiff;
                }
                if (rowDiff && toRange.start.row >= fromRange.end.row) {
                    toRange.start.row += rowDiff;
                    toRange.end.row += rowDiff;
                }
            }

            toRange.end = this.insert(toRange.start, text);
            if (folds.length) {
                var oldStart = fromRange.start;
                var newStart = toRange.start;
                var rowDiff = newStart.row - oldStart.row;
                var collDiff = newStart.column - oldStart.column;
                this.addFolds(folds.map(function(x) {
                    x = x.clone();
                    if (x.start.row == oldStart.row)
                        x.start.column += collDiff;
                    if (x.end.row == oldStart.row)
                        x.end.column += collDiff;
                    x.start.row += rowDiff;
                    x.end.row += rowDiff;
                    return x;
                }));
            }

            return toRange;
        };
        this.indentRows = function(startRow, endRow, indentString) {
            indentString = indentString.replace(/\t/g, this.getTabString());
            for (var row=startRow; row<=endRow; row++)
                this.doc.insertInLine({row: row, column: 0}, indentString);
        };
        this.outdentRows = function (range) {
            var rowRange = range.collapseRows();
            var deleteRange = new Range(0, 0, 0, 0);
            var size = this.getTabSize();

            for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {
                var line = this.getLine(i);

                deleteRange.start.row = i;
                deleteRange.end.row = i;
                for (var j = 0; j < size; ++j)
                    if (line.charAt(j) != ' ')
                        break;
                if (j < size && line.charAt(j) == '\t') {
                    deleteRange.start.column = j;
                    deleteRange.end.column = j + 1;
                } else {
                    deleteRange.start.column = 0;
                    deleteRange.end.column = j;
                }
                this.remove(deleteRange);
            }
        };

        this.$moveLines = function(firstRow, lastRow, dir) {
            firstRow = this.getRowFoldStart(firstRow);
            lastRow = this.getRowFoldEnd(lastRow);
            if (dir < 0) {
                var row = this.getRowFoldStart(firstRow + dir);
                if (row < 0) return 0;
                var diff = row-firstRow;
            } else if (dir > 0) {
                var row = this.getRowFoldEnd(lastRow + dir);
                if (row > this.doc.getLength()-1) return 0;
                var diff = row-lastRow;
            } else {
                firstRow = this.$clipRowToDocument(firstRow);
                lastRow = this.$clipRowToDocument(lastRow);
                var diff = lastRow - firstRow + 1;
            }

            var range = new Range(firstRow, 0, lastRow, Number.MAX_VALUE);
            var folds = this.getFoldsInRange(range).map(function(x){
                x = x.clone();
                x.start.row += diff;
                x.end.row += diff;
                return x;
            });

            var lines = dir == 0
                ? this.doc.getLines(firstRow, lastRow)
                : this.doc.removeFullLines(firstRow, lastRow);
            this.doc.insertFullLines(firstRow+diff, lines);
            folds.length && this.addFolds(folds);
            return diff;
        };
        this.moveLinesUp = function(firstRow, lastRow) {
            return this.$moveLines(firstRow, lastRow, -1);
        };
        this.moveLinesDown = function(firstRow, lastRow) {
            return this.$moveLines(firstRow, lastRow, 1);
        };
        this.duplicateLines = function(firstRow, lastRow) {
            return this.$moveLines(firstRow, lastRow, 0);
        };


        this.$clipRowToDocument = function(row) {
            return Math.max(0, Math.min(row, this.doc.getLength()-1));
        };

        this.$clipColumnToRow = function(row, column) {
            if (column < 0)
                return 0;
            return Math.min(this.doc.getLine(row).length, column);
        };


        this.$clipPositionToDocument = function(row, column) {
            column = Math.max(0, column);

            if (row < 0) {
                row = 0;
                column = 0;
            } else {
                var len = this.doc.getLength();
                if (row >= len) {
                    row = len - 1;
                    column = this.doc.getLine(len-1).length;
                } else {
                    column = Math.min(this.doc.getLine(row).length, column);
                }
            }

            return {
                row: row,
                column: column
            };
        };

        this.$clipRangeToDocument = function(range) {
            if (range.start.row < 0) {
                range.start.row = 0;
                range.start.column = 0;
            } else {
                range.start.column = this.$clipColumnToRow(
                    range.start.row,
                    range.start.column
                );
            }

            var len = this.doc.getLength() - 1;
            if (range.end.row > len) {
                range.end.row = len;
                range.end.column = this.doc.getLine(len).length;
            } else {
                range.end.column = this.$clipColumnToRow(
                    range.end.row,
                    range.end.column
                );
            }
            return range;
        };
        this.$wrapLimit = 80;
        this.$useWrapMode = false;
        this.$wrapLimitRange = {
            min : null,
            max : null
        };
        this.setUseWrapMode = function(useWrapMode) {
            if (useWrapMode != this.$useWrapMode) {
                this.$useWrapMode = useWrapMode;
                this.$modified = true;
                this.$resetRowCache(0);
                if (useWrapMode) {
                    var len = this.getLength();
                    this.$wrapData = Array(len);
                    this.$updateWrapData(0, len - 1);
                }

                this._signal("changeWrapMode");
            }
        };
        this.getUseWrapMode = function() {
            return this.$useWrapMode;
        };
        this.setWrapLimitRange = function(min, max) {
            if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {
                this.$wrapLimitRange = { min: min, max: max };
                this.$modified = true;
                this.$bidiHandler.markAsDirty();
                if (this.$useWrapMode)
                    this._signal("changeWrapMode");
            }
        };
        this.adjustWrapLimit = function(desiredLimit, $printMargin) {
            var limits = this.$wrapLimitRange;
            if (limits.max < 0)
                limits = {min: $printMargin, max: $printMargin};
            var wrapLimit = this.$constrainWrapLimit(desiredLimit, limits.min, limits.max);
            if (wrapLimit != this.$wrapLimit && wrapLimit > 1) {
                this.$wrapLimit = wrapLimit;
                this.$modified = true;
                if (this.$useWrapMode) {
                    this.$updateWrapData(0, this.getLength() - 1);
                    this.$resetRowCache(0);
                    this._signal("changeWrapLimit");
                }
                return true;
            }
            return false;
        };

        this.$constrainWrapLimit = function(wrapLimit, min, max) {
            if (min)
                wrapLimit = Math.max(min, wrapLimit);

            if (max)
                wrapLimit = Math.min(max, wrapLimit);

            return wrapLimit;
        };
        this.getWrapLimit = function() {
            return this.$wrapLimit;
        };
        this.setWrapLimit = function (limit) {
            this.setWrapLimitRange(limit, limit);
        };
        this.getWrapLimitRange = function() {
            return {
                min : this.$wrapLimitRange.min,
                max : this.$wrapLimitRange.max
            };
        };

        this.$updateInternalDataOnChange = function(delta) {
            var useWrapMode = this.$useWrapMode;
            var action = delta.action;
            var start = delta.start;
            var end = delta.end;
            var firstRow = start.row;
            var lastRow = end.row;
            var len = lastRow - firstRow;
            var removedFolds = null;

            this.$updating = true;
            if (len != 0) {
                if (action === "remove") {
                    this[useWrapMode ? "$wrapData" : "$rowLengthCache"].splice(firstRow, len);

                    var foldLines = this.$foldData;
                    removedFolds = this.getFoldsInRange(delta);
                    this.removeFolds(removedFolds);

                    var foldLine = this.getFoldLine(end.row);
                    var idx = 0;
                    if (foldLine) {
                        foldLine.addRemoveChars(end.row, end.column, start.column - end.column);
                        foldLine.shiftRow(-len);

                        var foldLineBefore = this.getFoldLine(firstRow);
                        if (foldLineBefore && foldLineBefore !== foldLine) {
                            foldLineBefore.merge(foldLine);
                            foldLine = foldLineBefore;
                        }
                        idx = foldLines.indexOf(foldLine) + 1;
                    }

                    for (idx; idx < foldLines.length; idx++) {
                        var foldLine = foldLines[idx];
                        if (foldLine.start.row >= end.row) {
                            foldLine.shiftRow(-len);
                        }
                    }

                    lastRow = firstRow;
                } else {
                    var args = Array(len);
                    args.unshift(firstRow, 0);
                    var arr = useWrapMode ? this.$wrapData : this.$rowLengthCache;
                    arr.splice.apply(arr, args);
                    var foldLines = this.$foldData;
                    var foldLine = this.getFoldLine(firstRow);
                    var idx = 0;
                    if (foldLine) {
                        var cmp = foldLine.range.compareInside(start.row, start.column);
                        if (cmp == 0) {
                            foldLine = foldLine.split(start.row, start.column);
                            if (foldLine) {
                                foldLine.shiftRow(len);
                                foldLine.addRemoveChars(lastRow, 0, end.column - start.column);
                            }
                        } else
                        if (cmp == -1) {
                            foldLine.addRemoveChars(firstRow, 0, end.column - start.column);
                            foldLine.shiftRow(len);
                        }
                        idx = foldLines.indexOf(foldLine) + 1;
                    }

                    for (idx; idx < foldLines.length; idx++) {
                        var foldLine = foldLines[idx];
                        if (foldLine.start.row >= firstRow) {
                            foldLine.shiftRow(len);
                        }
                    }
                }
            } else {
                len = Math.abs(delta.start.column - delta.end.column);
                if (action === "remove") {
                    removedFolds = this.getFoldsInRange(delta);
                    this.removeFolds(removedFolds);

                    len = -len;
                }
                var foldLine = this.getFoldLine(firstRow);
                if (foldLine) {
                    foldLine.addRemoveChars(firstRow, start.column, len);
                }
            }

            if (useWrapMode && this.$wrapData.length != this.doc.getLength()) {
                console.error("doc.getLength() and $wrapData.length have to be the same!");
            }
            this.$updating = false;

            if (useWrapMode)
                this.$updateWrapData(firstRow, lastRow);
            else
                this.$updateRowLengthCache(firstRow, lastRow);

            return removedFolds;
        };

        this.$updateRowLengthCache = function(firstRow, lastRow, b) {
            this.$rowLengthCache[firstRow] = null;
            this.$rowLengthCache[lastRow] = null;
        };

        this.$updateWrapData = function(firstRow, lastRow) {
            var lines = this.doc.getAllLines();
            var tabSize = this.getTabSize();
            var wrapData = this.$wrapData;
            var wrapLimit = this.$wrapLimit;
            var tokens;
            var foldLine;

            var row = firstRow;
            lastRow = Math.min(lastRow, lines.length - 1);
            while (row <= lastRow) {
                foldLine = this.getFoldLine(row, foldLine);
                if (!foldLine) {
                    tokens = this.$getDisplayTokens(lines[row]);
                    wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                    row ++;
                } else {
                    tokens = [];
                    foldLine.walk(function(placeholder, row, column, lastColumn) {
                            var walkTokens;
                            if (placeholder != null) {
                                walkTokens = this.$getDisplayTokens(
                                    placeholder, tokens.length);
                                walkTokens[0] = PLACEHOLDER_START;
                                for (var i = 1; i < walkTokens.length; i++) {
                                    walkTokens[i] = PLACEHOLDER_BODY;
                                }
                            } else {
                                walkTokens = this.$getDisplayTokens(
                                    lines[row].substring(lastColumn, column),
                                    tokens.length);
                            }
                            tokens = tokens.concat(walkTokens);
                        }.bind(this),
                        foldLine.end.row,
                        lines[foldLine.end.row].length + 1
                    );

                    wrapData[foldLine.start.row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                    row = foldLine.end.row + 1;
                }
            }
        };
        var CHAR = 1,
            CHAR_EXT = 2,
            PLACEHOLDER_START = 3,
            PLACEHOLDER_BODY =  4,
            PUNCTUATION = 9,
            SPACE = 10,
            TAB = 11,
            TAB_SPACE = 12;


        this.$computeWrapSplits = function(tokens, wrapLimit, tabSize) {
            if (tokens.length == 0) {
                return [];
            }

            var splits = [];
            var displayLength = tokens.length;
            var lastSplit = 0, lastDocSplit = 0;

            var isCode = this.$wrapAsCode;

            var indentedSoftWrap = this.$indentedSoftWrap;
            var maxIndent = wrapLimit <= Math.max(2 * tabSize, 8)
            || indentedSoftWrap === false ? 0 : Math.floor(wrapLimit / 2);

            function getWrapIndent() {
                var indentation = 0;
                if (maxIndent === 0)
                    return indentation;
                if (indentedSoftWrap) {
                    for (var i = 0; i < tokens.length; i++) {
                        var token = tokens[i];
                        if (token == SPACE)
                            indentation += 1;
                        else if (token == TAB)
                            indentation += tabSize;
                        else if (token == TAB_SPACE)
                            continue;
                        else
                            break;
                    }
                }
                if (isCode && indentedSoftWrap !== false)
                    indentation += tabSize;
                return Math.min(indentation, maxIndent);
            }
            function addSplit(screenPos) {
                var len = screenPos - lastSplit;
                for (var i = lastSplit; i < screenPos; i++) {
                    var ch = tokens[i];
                    if (ch === 12 || ch === 2) len -= 1;
                }

                if (!splits.length) {
                    indent = getWrapIndent();
                    splits.indent = indent;
                }
                lastDocSplit += len;
                splits.push(lastDocSplit);
                lastSplit = screenPos;
            }
            var indent = 0;
            while (displayLength - lastSplit > wrapLimit - indent) {
                var split = lastSplit + wrapLimit - indent;
                if (tokens[split - 1] >= SPACE && tokens[split] >= SPACE) {
                    addSplit(split);
                    continue;
                }
                if (tokens[split] == PLACEHOLDER_START || tokens[split] == PLACEHOLDER_BODY) {
                    for (split; split != lastSplit - 1; split--) {
                        if (tokens[split] == PLACEHOLDER_START) {
                            break;
                        }
                    }
                    if (split > lastSplit) {
                        addSplit(split);
                        continue;
                    }
                    split = lastSplit + wrapLimit;
                    for (split; split < tokens.length; split++) {
                        if (tokens[split] != PLACEHOLDER_BODY) {
                            break;
                        }
                    }
                    if (split == tokens.length) {
                        break;  // Breaks the while-loop.
                    }
                    addSplit(split);
                    continue;
                }
                var minSplit = Math.max(split - (wrapLimit -(wrapLimit>>2)), lastSplit - 1);
                while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                    split --;
                }
                if (isCode) {
                    while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                        split --;
                    }
                    while (split > minSplit && tokens[split] == PUNCTUATION) {
                        split --;
                    }
                } else {
                    while (split > minSplit && tokens[split] < SPACE) {
                        split --;
                    }
                }
                if (split > minSplit) {
                    addSplit(++split);
                    continue;
                }
                split = lastSplit + wrapLimit;
                if (tokens[split] == CHAR_EXT)
                    split--;
                addSplit(split - indent);
            }
            return splits;
        };
        this.$getDisplayTokens = function(str, offset) {
            var arr = [];
            var tabSize;
            offset = offset || 0;

            for (var i = 0; i < str.length; i++) {
                var c = str.charCodeAt(i);
                if (c == 9) {
                    tabSize = this.getScreenTabSize(arr.length + offset);
                    arr.push(TAB);
                    for (var n = 1; n < tabSize; n++) {
                        arr.push(TAB_SPACE);
                    }
                }
                else if (c == 32) {
                    arr.push(SPACE);
                } else if((c > 39 && c < 48) || (c > 57 && c < 64)) {
                    arr.push(PUNCTUATION);
                }
                else if (c >= 0x1100 && isFullWidth(c)) {
                    arr.push(CHAR, CHAR_EXT);
                } else {
                    arr.push(CHAR);
                }
            }
            return arr;
        };
        this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
            if (maxScreenColumn == 0)
                return [0, 0];
            if (maxScreenColumn == null)
                maxScreenColumn = Infinity;
            screenColumn = screenColumn || 0;

            var c, column;
            for (column = 0; column < str.length; column++) {
                c = str.charCodeAt(column);
                if (c == 9) {
                    screenColumn += this.getScreenTabSize(screenColumn);
                }
                else if (c >= 0x1100 && isFullWidth(c)) {
                    screenColumn += 2;
                } else {
                    screenColumn += 1;
                }
                if (screenColumn > maxScreenColumn) {
                    break;
                }
            }

            return [screenColumn, column];
        };

        this.lineWidgets = null;
        this.getRowLength = function(row) {
            var h = 1;
            if (this.lineWidgets)
                h += this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;

            if (!this.$useWrapMode || !this.$wrapData[row])
                return h;
            else
                return this.$wrapData[row].length + h;
        };
        this.getRowLineCount = function(row) {
            if (!this.$useWrapMode || !this.$wrapData[row]) {
                return 1;
            } else {
                return this.$wrapData[row].length + 1;
            }
        };

        this.getRowWrapIndent = function(screenRow) {
            if (this.$useWrapMode) {
                var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
                var splits = this.$wrapData[pos.row];
                return splits.length && splits[0] < pos.column ? splits.indent : 0;
            } else {
                return 0;
            }
        };
        this.getScreenLastRowColumn = function(screenRow) {
            var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
            return this.documentToScreenColumn(pos.row, pos.column);
        };
        this.getDocumentLastRowColumn = function(docRow, docColumn) {
            var screenRow = this.documentToScreenRow(docRow, docColumn);
            return this.getScreenLastRowColumn(screenRow);
        };
        this.getDocumentLastRowColumnPosition = function(docRow, docColumn) {
            var screenRow = this.documentToScreenRow(docRow, docColumn);
            return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);
        };
        this.getRowSplitData = function(row) {
            if (!this.$useWrapMode) {
                return undefined;
            } else {
                return this.$wrapData[row];
            }
        };
        this.getScreenTabSize = function(screenColumn) {
            return this.$tabSize - (screenColumn % this.$tabSize | 0);
        };


        this.screenToDocumentRow = function(screenRow, screenColumn) {
            return this.screenToDocumentPosition(screenRow, screenColumn).row;
        };


        this.screenToDocumentColumn = function(screenRow, screenColumn) {
            return this.screenToDocumentPosition(screenRow, screenColumn).column;
        };
        this.screenToDocumentPosition = function(screenRow, screenColumn, offsetX) {
            if (screenRow < 0)
                return {row: 0, column: 0};

            var line;
            var docRow = 0;
            var docColumn = 0;
            var column;
            var row = 0;
            var rowLength = 0;

            var rowCache = this.$screenRowCache;
            var i = this.$getRowCacheIndex(rowCache, screenRow);
            var l = rowCache.length;
            if (l && i >= 0) {
                var row = rowCache[i];
                var docRow = this.$docRowCache[i];
                var doCache = screenRow > rowCache[l - 1];
            } else {
                var doCache = !l;
            }

            var maxRow = this.getLength() - 1;
            var foldLine = this.getNextFoldLine(docRow);
            var foldStart = foldLine ? foldLine.start.row : Infinity;

            while (row <= screenRow) {
                rowLength = this.getRowLength(docRow);
                if (row + rowLength > screenRow || docRow >= maxRow) {
                    break;
                } else {
                    row += rowLength;
                    docRow++;
                    if (docRow > foldStart) {
                        docRow = foldLine.end.row+1;
                        foldLine = this.getNextFoldLine(docRow, foldLine);
                        foldStart = foldLine ? foldLine.start.row : Infinity;
                    }
                }

                if (doCache) {
                    this.$docRowCache.push(docRow);
                    this.$screenRowCache.push(row);
                }
            }

            if (foldLine && foldLine.start.row <= docRow) {
                line = this.getFoldDisplayLine(foldLine);
                docRow = foldLine.start.row;
            } else if (row + rowLength <= screenRow || docRow > maxRow) {
                return {
                    row: maxRow,
                    column: this.getLine(maxRow).length
                };
            } else {
                line = this.getLine(docRow);
                foldLine = null;
            }
            var wrapIndent = 0, splitIndex = Math.floor(screenRow - row);
            if (this.$useWrapMode) {
                var splits = this.$wrapData[docRow];
                if (splits) {
                    column = splits[splitIndex];
                    if(splitIndex > 0 && splits.length) {
                        wrapIndent = splits.indent;
                        docColumn = splits[splitIndex - 1] || splits[splits.length - 1];
                        line = line.substring(docColumn);
                    }
                }
            }

            if (offsetX !== undefined && this.$bidiHandler.isBidiRow(row + splitIndex, docRow, splitIndex))
                screenColumn = this.$bidiHandler.offsetToCol(offsetX);

            docColumn += this.$getStringScreenWidth(line, screenColumn - wrapIndent)[1];
            if (this.$useWrapMode && docColumn >= column)
                docColumn = column - 1;

            if (foldLine)
                return foldLine.idxToPosition(docColumn);

            return {row: docRow, column: docColumn};
        };
        this.documentToScreenPosition = function(docRow, docColumn) {
            if (typeof docColumn === "undefined")
                var pos = this.$clipPositionToDocument(docRow.row, docRow.column);
            else
                pos = this.$clipPositionToDocument(docRow, docColumn);

            docRow = pos.row;
            docColumn = pos.column;

            var screenRow = 0;
            var foldStartRow = null;
            var fold = null;
            fold = this.getFoldAt(docRow, docColumn, 1);
            if (fold) {
                docRow = fold.start.row;
                docColumn = fold.start.column;
            }

            var rowEnd, row = 0;


            var rowCache = this.$docRowCache;
            var i = this.$getRowCacheIndex(rowCache, docRow);
            var l = rowCache.length;
            if (l && i >= 0) {
                var row = rowCache[i];
                var screenRow = this.$screenRowCache[i];
                var doCache = docRow > rowCache[l - 1];
            } else {
                var doCache = !l;
            }

            var foldLine = this.getNextFoldLine(row);
            var foldStart = foldLine ?foldLine.start.row :Infinity;

            while (row < docRow) {
                if (row >= foldStart) {
                    rowEnd = foldLine.end.row + 1;
                    if (rowEnd > docRow)
                        break;
                    foldLine = this.getNextFoldLine(rowEnd, foldLine);
                    foldStart = foldLine ?foldLine.start.row :Infinity;
                }
                else {
                    rowEnd = row + 1;
                }

                screenRow += this.getRowLength(row);
                row = rowEnd;

                if (doCache) {
                    this.$docRowCache.push(row);
                    this.$screenRowCache.push(screenRow);
                }
            }
            var textLine = "";
            if (foldLine && row >= foldStart) {
                textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);
                foldStartRow = foldLine.start.row;
            } else {
                textLine = this.getLine(docRow).substring(0, docColumn);
                foldStartRow = docRow;
            }
            var wrapIndent = 0;
            if (this.$useWrapMode) {
                var wrapRow = this.$wrapData[foldStartRow];
                if (wrapRow) {
                    var screenRowOffset = 0;
                    while (textLine.length >= wrapRow[screenRowOffset]) {
                        screenRow ++;
                        screenRowOffset++;
                    }
                    textLine = textLine.substring(
                        wrapRow[screenRowOffset - 1] || 0, textLine.length
                    );
                    wrapIndent = screenRowOffset > 0 ? wrapRow.indent : 0;
                }
            }

            if (this.lineWidgets && this.lineWidgets[row] && this.lineWidgets[row].rowsAbove)
                screenRow += this.lineWidgets[row].rowsAbove;

            return {
                row: screenRow,
                column: wrapIndent + this.$getStringScreenWidth(textLine)[0]
            };
        };
        this.documentToScreenColumn = function(row, docColumn) {
            return this.documentToScreenPosition(row, docColumn).column;
        };
        this.documentToScreenRow = function(docRow, docColumn) {
            return this.documentToScreenPosition(docRow, docColumn).row;
        };
        this.getScreenLength = function() {
            var screenRows = 0;
            var fold = null;
            if (!this.$useWrapMode) {
                screenRows = this.getLength();
                var foldData = this.$foldData;
                for (var i = 0; i < foldData.length; i++) {
                    fold = foldData[i];
                    screenRows -= fold.end.row - fold.start.row;
                }
            } else {
                var lastRow = this.$wrapData.length;
                var row = 0, i = 0;
                var fold = this.$foldData[i++];
                var foldStart = fold ? fold.start.row :Infinity;

                while (row < lastRow) {
                    var splits = this.$wrapData[row];
                    screenRows += splits ? splits.length + 1 : 1;
                    row ++;
                    if (row > foldStart) {
                        row = fold.end.row+1;
                        fold = this.$foldData[i++];
                        foldStart = fold ?fold.start.row :Infinity;
                    }
                }
            }
            if (this.lineWidgets)
                screenRows += this.$getWidgetScreenLength();

            return screenRows;
        };
        this.$setFontMetrics = function(fm) {
            if (!this.$enableVarChar) return;
            this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
                if (maxScreenColumn === 0)
                    return [0, 0];
                if (!maxScreenColumn)
                    maxScreenColumn = Infinity;
                screenColumn = screenColumn || 0;

                var c, column;
                for (column = 0; column < str.length; column++) {
                    c = str.charAt(column);
                    if (c === "\t") {
                        screenColumn += this.getScreenTabSize(screenColumn);
                    } else {
                        screenColumn += fm.getCharacterWidth(c);
                    }
                    if (screenColumn > maxScreenColumn) {
                        break;
                    }
                }

                return [screenColumn, column];
            };
        };

        this.destroy = function() {
            if (!this.destroyed) {
                this.bgTokenizer.setDocument(null);
                this.bgTokenizer.cleanup();
                this.destroyed = true;
            }
            this.$stopWorker();
            this.removeAllListeners();
            if (this.doc) {
                this.doc.off("change", this.$onChange);
            }
            this.selection.detach();
        };

        this.isFullWidth = isFullWidth;
        function isFullWidth(c) {
            if (c < 0x1100)
                return false;
            return c >= 0x1100 && c <= 0x115F ||
                c >= 0x11A3 && c <= 0x11A7 ||
                c >= 0x11FA && c <= 0x11FF ||
                c >= 0x2329 && c <= 0x232A ||
                c >= 0x2E80 && c <= 0x2E99 ||
                c >= 0x2E9B && c <= 0x2EF3 ||
                c >= 0x2F00 && c <= 0x2FD5 ||
                c >= 0x2FF0 && c <= 0x2FFB ||
                c >= 0x3000 && c <= 0x303E ||
                c >= 0x3041 && c <= 0x3096 ||
                c >= 0x3099 && c <= 0x30FF ||
                c >= 0x3105 && c <= 0x312D ||
                c >= 0x3131 && c <= 0x318E ||
                c >= 0x3190 && c <= 0x31BA ||
                c >= 0x31C0 && c <= 0x31E3 ||
                c >= 0x31F0 && c <= 0x321E ||
                c >= 0x3220 && c <= 0x3247 ||
                c >= 0x3250 && c <= 0x32FE ||
                c >= 0x3300 && c <= 0x4DBF ||
                c >= 0x4E00 && c <= 0xA48C ||
                c >= 0xA490 && c <= 0xA4C6 ||
                c >= 0xA960 && c <= 0xA97C ||
                c >= 0xAC00 && c <= 0xD7A3 ||
                c >= 0xD7B0 && c <= 0xD7C6 ||
                c >= 0xD7CB && c <= 0xD7FB ||
                c >= 0xF900 && c <= 0xFAFF ||
                c >= 0xFE10 && c <= 0xFE19 ||
                c >= 0xFE30 && c <= 0xFE52 ||
                c >= 0xFE54 && c <= 0xFE66 ||
                c >= 0xFE68 && c <= 0xFE6B ||
                c >= 0xFF01 && c <= 0xFF60 ||
                c >= 0xFFE0 && c <= 0xFFE6;
        }

    }).call(EditSession.prototype);

    require("./edit_session/folding").Folding.call(EditSession.prototype);
    require("./edit_session/bracket_match").BracketMatch.call(EditSession.prototype);


    config.defineOptions(EditSession.prototype, "session", {
        wrap: {
            set: function(value) {
                if (!value || value == "off")
                    value = false;
                else if (value == "free")
                    value = true;
                else if (value == "printMargin")
                    value = -1;
                else if (typeof value == "string")
                    value = parseInt(value, 10) || false;

                if (this.$wrap == value)
                    return;
                this.$wrap = value;
                if (!value) {
                    this.setUseWrapMode(false);
                } else {
                    var col = typeof value == "number" ? value : null;
                    this.setWrapLimitRange(col, col);
                    this.setUseWrapMode(true);
                }
            },
            get: function() {
                if (this.getUseWrapMode()) {
                    if (this.$wrap == -1)
                        return "printMargin";
                    if (!this.getWrapLimitRange().min)
                        return "free";
                    return this.$wrap;
                }
                return "off";
            },
            handlesSet: true
        },
        wrapMethod: {
            set: function(val) {
                val = val == "auto"
                    ? this.$mode.type != "text"
                    : val != "text";
                if (val != this.$wrapAsCode) {
                    this.$wrapAsCode = val;
                    if (this.$useWrapMode) {
                        this.$useWrapMode = false;
                        this.setUseWrapMode(true);
                    }
                }
            },
            initialValue: "auto"
        },
        indentedSoftWrap: {
            set: function() {
                if (this.$useWrapMode) {
                    this.$useWrapMode = false;
                    this.setUseWrapMode(true);
                }
            },
            initialValue: true
        },
        firstLineNumber: {
            set: function() {this._signal("changeBreakpoint");},
            initialValue: 1
        },
        useWorker: {
            set: function(useWorker) {
                this.$useWorker = useWorker;

                this.$stopWorker();
                if (useWorker)
                    this.$startWorker();
            },
            initialValue: true
        },
        useSoftTabs: {initialValue: true},
        tabSize: {
            set: function(tabSize) {
                tabSize = parseInt(tabSize);
                if (tabSize > 0 && this.$tabSize !== tabSize) {
                    this.$modified = true;
                    this.$rowLengthCache = [];
                    this.$tabSize = tabSize;
                    this._signal("changeTabSize");
                }
            },
            initialValue: 4,
            handlesSet: true
        },
        navigateWithinSoftTabs: {initialValue: false},
        foldStyle: {
            set: function(val) {this.setFoldStyle(val);},
            handlesSet: true
        },
        overwrite: {
            set: function(val) {this._signal("changeOverwrite");},
            initialValue: false
        },
        newLineMode: {
            set: function(val) {this.doc.setNewLineMode(val);},
            get: function() {return this.doc.getNewLineMode();},
            handlesSet: true
        },
        mode: {
            set: function(val) { this.setMode(val); },
            get: function() { return this.$modeId; },
            handlesSet: true
        }
    });

    exports.EditSession = EditSession;
});

define("ace/search",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/range"], function(require, exports, module) {
    "use strict";

    var lang = require("./lib/lang");
    var oop = require("./lib/oop");
    var Range = require("./range").Range;

    var Search = function() {
        this.$options = {};
    };

    (function() {
        this.set = function(options) {
            oop.mixin(this.$options, options);
            return this;
        };
        this.getOptions = function() {
            return lang.copyObject(this.$options);
        };
        this.setOptions = function(options) {
            this.$options = options;
        };
        this.find = function(session) {
            var options = this.$options;
            var iterator = this.$matchIterator(session, options);
            if (!iterator)
                return false;

            var firstRange = null;
            iterator.forEach(function(sr, sc, er, ec) {
                firstRange = new Range(sr, sc, er, ec);
                if (sc == ec && options.start && options.start.start
                    && options.skipCurrent != false && firstRange.isEqual(options.start)
                ) {
                    firstRange = null;
                    return false;
                }

                return true;
            });

            return firstRange;
        };
        this.findAll = function(session) {
            var options = this.$options;
            if (!options.needle)
                return [];
            this.$assembleRegExp(options);

            var range = options.range;
            var lines = range
                ? session.getLines(range.start.row, range.end.row)
                : session.doc.getAllLines();

            var ranges = [];
            var re = options.re;
            if (options.$isMultiLine) {
                var len = re.length;
                var maxRow = lines.length - len;
                var prevRange;
                outer: for (var row = re.offset || 0; row <= maxRow; row++) {
                    for (var j = 0; j < len; j++)
                        if (lines[row + j].search(re[j]) == -1)
                            continue outer;

                    var startLine = lines[row];
                    var line = lines[row + len - 1];
                    var startIndex = startLine.length - startLine.match(re[0])[0].length;
                    var endIndex = line.match(re[len - 1])[0].length;

                    if (prevRange && prevRange.end.row === row &&
                        prevRange.end.column > startIndex
                    ) {
                        continue;
                    }
                    ranges.push(prevRange = new Range(
                        row, startIndex, row + len - 1, endIndex
                    ));
                    if (len > 2)
                        row = row + len - 2;
                }
            } else {
                for (var i = 0; i < lines.length; i++) {
                    var matches = lang.getMatchOffsets(lines[i], re);
                    for (var j = 0; j < matches.length; j++) {
                        var match = matches[j];
                        ranges.push(new Range(i, match.offset, i, match.offset + match.length));
                    }
                }
            }

            if (range) {
                var startColumn = range.start.column;
                var endColumn = range.start.column;
                var i = 0, j = ranges.length - 1;
                while (i < j && ranges[i].start.column < startColumn && ranges[i].start.row == range.start.row)
                    i++;

                while (i < j && ranges[j].end.column > endColumn && ranges[j].end.row == range.end.row)
                    j--;

                ranges = ranges.slice(i, j + 1);
                for (i = 0, j = ranges.length; i < j; i++) {
                    ranges[i].start.row += range.start.row;
                    ranges[i].end.row += range.start.row;
                }
            }

            return ranges;
        };
        this.replace = function(input, replacement) {
            var options = this.$options;

            var re = this.$assembleRegExp(options);
            if (options.$isMultiLine)
                return replacement;

            if (!re)
                return;

            var match = re.exec(input);
            if (!match || match[0].length != input.length)
                return null;

            replacement = input.replace(re, replacement);
            if (options.preserveCase) {
                replacement = replacement.split("");
                for (var i = Math.min(input.length, input.length); i--; ) {
                    var ch = input[i];
                    if (ch && ch.toLowerCase() != ch)
                        replacement[i] = replacement[i].toUpperCase();
                    else
                        replacement[i] = replacement[i].toLowerCase();
                }
                replacement = replacement.join("");
            }

            return replacement;
        };

        this.$assembleRegExp = function(options, $disableFakeMultiline) {
            if (options.needle instanceof RegExp)
                return options.re = options.needle;

            var needle = options.needle;

            if (!options.needle)
                return options.re = false;

            if (!options.regExp)
                needle = lang.escapeRegExp(needle);

            if (options.wholeWord)
                needle = addWordBoundary(needle, options);

            var modifier = options.caseSensitive ? "gm" : "gmi";

            options.$isMultiLine = !$disableFakeMultiline && /[\n\r]/.test(needle);
            if (options.$isMultiLine)
                return options.re = this.$assembleMultilineRegExp(needle, modifier);

            try {
                var re = new RegExp(needle, modifier);
            } catch(e) {
                re = false;
            }
            return options.re = re;
        };

        this.$assembleMultilineRegExp = function(needle, modifier) {
            var parts = needle.replace(/\r\n|\r|\n/g, "$\n^").split("\n");
            var re = [];
            for (var i = 0; i < parts.length; i++) try {
                re.push(new RegExp(parts[i], modifier));
            } catch(e) {
                return false;
            }
            return re;
        };

        this.$matchIterator = function(session, options) {
            var re = this.$assembleRegExp(options);
            if (!re)
                return false;
            var backwards = options.backwards == true;
            var skipCurrent = options.skipCurrent != false;

            var range = options.range;
            var start = options.start;
            if (!start)
                start = range ? range[backwards ? "end" : "start"] : session.selection.getRange();

            if (start.start)
                start = start[skipCurrent != backwards ? "end" : "start"];

            var firstRow = range ? range.start.row : 0;
            var lastRow = range ? range.end.row : session.getLength() - 1;

            if (backwards) {
                var forEach = function(callback) {
                    var row = start.row;
                    if (forEachInLine(row, start.column, callback))
                        return;
                    for (row--; row >= firstRow; row--)
                        if (forEachInLine(row, Number.MAX_VALUE, callback))
                            return;
                    if (options.wrap == false)
                        return;
                    for (row = lastRow, firstRow = start.row; row >= firstRow; row--)
                        if (forEachInLine(row, Number.MAX_VALUE, callback))
                            return;
                };
            }
            else {
                var forEach = function(callback) {
                    var row = start.row;
                    if (forEachInLine(row, start.column, callback))
                        return;
                    for (row = row + 1; row <= lastRow; row++)
                        if (forEachInLine(row, 0, callback))
                            return;
                    if (options.wrap == false)
                        return;
                    for (row = firstRow, lastRow = start.row; row <= lastRow; row++)
                        if (forEachInLine(row, 0, callback))
                            return;
                };
            }

            if (options.$isMultiLine) {
                var len = re.length;
                var forEachInLine = function(row, offset, callback) {
                    var startRow = backwards ? row - len + 1 : row;
                    if (startRow < 0 || startRow + len > session.getLength()) return;
                    var line = session.getLine(startRow);
                    var startIndex = line.search(re[0]);
                    if (!backwards && startIndex < offset || startIndex === -1) return;
                    for (var i = 1; i < len; i++) {
                        line = session.getLine(startRow + i);
                        if (line.search(re[i]) == -1)
                            return;
                    }
                    var endIndex = line.match(re[len - 1])[0].length;
                    if (backwards && endIndex > offset) return;
                    if (callback(startRow, startIndex, startRow + len - 1, endIndex))
                        return true;
                };
            }
            else if (backwards) {
                var forEachInLine = function(row, endIndex, callback) {
                    var line = session.getLine(row);
                    var matches = [];
                    var m, last = 0;
                    re.lastIndex = 0;
                    while((m = re.exec(line))) {
                        var length = m[0].length;
                        last = m.index;
                        if (!length) {
                            if (last >= line.length) break;
                            re.lastIndex = last += 1;
                        }
                        if (m.index + length > endIndex)
                            break;
                        matches.push(m.index, length);
                    }
                    for (var i = matches.length - 1; i >= 0; i -= 2) {
                        var column = matches[i - 1];
                        var length = matches[i];
                        if (callback(row, column, row, column + length))
                            return true;
                    }
                };
            }
            else {
                var forEachInLine = function(row, startIndex, callback) {
                    var line = session.getLine(row);
                    var last;
                    var m;
                    re.lastIndex = startIndex;
                    while((m = re.exec(line))) {
                        var length = m[0].length;
                        last = m.index;
                        if (callback(row, last, row,last + length))
                            return true;
                        if (!length) {
                            re.lastIndex = last += 1;
                            if (last >= line.length) return false;
                        }
                    }
                };
            }
            return {forEach: forEach};
        };

    }).call(Search.prototype);

    function addWordBoundary(needle, options) {
        function wordBoundary(c) {
            if (/\w/.test(c) || options.regExp) return "\\b";
            return "";
        }
        return wordBoundary(needle[0]) + needle
            + wordBoundary(needle[needle.length - 1]);
    }

    exports.Search = Search;
});

define("ace/keyboard/hash_handler",["require","exports","module","ace/lib/keys","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var keyUtil = require("../lib/keys");
    var useragent = require("../lib/useragent");
    var KEY_MODS = keyUtil.KEY_MODS;

    function HashHandler(config, platform) {
        this.platform = platform || (useragent.isMac ? "mac" : "win");
        this.commands = {};
        this.commandKeyBinding = {};
        this.addCommands(config);
        this.$singleCommand = true;
    }

    function MultiHashHandler(config, platform) {
        HashHandler.call(this, config, platform);
        this.$singleCommand = false;
    }

    MultiHashHandler.prototype = HashHandler.prototype;

    (function() {


        this.addCommand = function(command) {
            if (this.commands[command.name])
                this.removeCommand(command);

            this.commands[command.name] = command;

            if (command.bindKey)
                this._buildKeyHash(command);
        };

        this.removeCommand = function(command, keepCommand) {
            var name = command && (typeof command === 'string' ? command : command.name);
            command = this.commands[name];
            if (!keepCommand)
                delete this.commands[name];
            var ckb = this.commandKeyBinding;
            for (var keyId in ckb) {
                var cmdGroup = ckb[keyId];
                if (cmdGroup == command) {
                    delete ckb[keyId];
                } else if (Array.isArray(cmdGroup)) {
                    var i = cmdGroup.indexOf(command);
                    if (i != -1) {
                        cmdGroup.splice(i, 1);
                        if (cmdGroup.length == 1)
                            ckb[keyId] = cmdGroup[0];
                    }
                }
            }
        };

        this.bindKey = function(key, command, position) {
            if (typeof key == "object" && key) {
                if (position == undefined)
                    position = key.position;
                key = key[this.platform];
            }
            if (!key)
                return;
            if (typeof command == "function")
                return this.addCommand({exec: command, bindKey: key, name: command.name || key});

            key.split("|").forEach(function(keyPart) {
                var chain = "";
                if (keyPart.indexOf(" ") != -1) {
                    var parts = keyPart.split(/\s+/);
                    keyPart = parts.pop();
                    parts.forEach(function(keyPart) {
                        var binding = this.parseKeys(keyPart);
                        var id = KEY_MODS[binding.hashId] + binding.key;
                        chain += (chain ? " " : "") + id;
                        this._addCommandToBinding(chain, "chainKeys");
                    }, this);
                    chain += " ";
                }
                var binding = this.parseKeys(keyPart);
                var id = KEY_MODS[binding.hashId] + binding.key;
                this._addCommandToBinding(chain + id, command, position);
            }, this);
        };

        function getPosition(command) {
            return typeof command == "object" && command.bindKey
                && command.bindKey.position
                || (command.isDefault ? -100 : 0);
        }
        this._addCommandToBinding = function(keyId, command, position) {
            var ckb = this.commandKeyBinding, i;
            if (!command) {
                delete ckb[keyId];
            } else if (!ckb[keyId] || this.$singleCommand) {
                ckb[keyId] = command;
            } else {
                if (!Array.isArray(ckb[keyId])) {
                    ckb[keyId] = [ckb[keyId]];
                } else if ((i = ckb[keyId].indexOf(command)) != -1) {
                    ckb[keyId].splice(i, 1);
                }

                if (typeof position != "number") {
                    position = getPosition(command);
                }

                var commands = ckb[keyId];
                for (i = 0; i < commands.length; i++) {
                    var other = commands[i];
                    var otherPos = getPosition(other);
                    if (otherPos > position)
                        break;
                }
                commands.splice(i, 0, command);
            }
        };

        this.addCommands = function(commands) {
            commands && Object.keys(commands).forEach(function(name) {
                var command = commands[name];
                if (!command)
                    return;

                if (typeof command === "string")
                    return this.bindKey(command, name);

                if (typeof command === "function")
                    command = { exec: command };

                if (typeof command !== "object")
                    return;

                if (!command.name)
                    command.name = name;

                this.addCommand(command);
            }, this);
        };

        this.removeCommands = function(commands) {
            Object.keys(commands).forEach(function(name) {
                this.removeCommand(commands[name]);
            }, this);
        };

        this.bindKeys = function(keyList) {
            Object.keys(keyList).forEach(function(key) {
                this.bindKey(key, keyList[key]);
            }, this);
        };

        this._buildKeyHash = function(command) {
            this.bindKey(command.bindKey, command);
        };
        this.parseKeys = function(keys) {
            var parts = keys.toLowerCase().split(/[\-\+]([\-\+])?/).filter(function(x){return x;});
            var key = parts.pop();

            var keyCode = keyUtil[key];
            if (keyUtil.FUNCTION_KEYS[keyCode])
                key = keyUtil.FUNCTION_KEYS[keyCode].toLowerCase();
            else if (!parts.length)
                return {key: key, hashId: -1};
            else if (parts.length == 1 && parts[0] == "shift")
                return {key: key.toUpperCase(), hashId: -1};

            var hashId = 0;
            for (var i = parts.length; i--;) {
                var modifier = keyUtil.KEY_MODS[parts[i]];
                if (modifier == null) {
                    if (typeof console != "undefined")
                        console.error("invalid modifier " + parts[i] + " in " + keys);
                    return false;
                }
                hashId |= modifier;
            }
            return {key: key, hashId: hashId};
        };

        this.findKeyCommand = function findKeyCommand(hashId, keyString) {
            var key = KEY_MODS[hashId] + keyString;
            return this.commandKeyBinding[key];
        };

        this.handleKeyboard = function(data, hashId, keyString, keyCode) {
            if (keyCode < 0) return;
            var key = KEY_MODS[hashId] + keyString;
            var command = this.commandKeyBinding[key];
            if (data.$keyChain) {
                data.$keyChain += " " + key;
                command = this.commandKeyBinding[data.$keyChain] || command;
            }

            if (command) {
                if (command == "chainKeys" || command[command.length - 1] == "chainKeys") {
                    data.$keyChain = data.$keyChain || key;
                    return {command: "null"};
                }
            }

            if (data.$keyChain) {
                if ((!hashId || hashId == 4) && keyString.length == 1)
                    data.$keyChain = data.$keyChain.slice(0, -key.length - 1); // wait for input
                else if (hashId == -1 || keyCode > 0)
                    data.$keyChain = ""; // reset keyChain
            }
            return {command: command};
        };

        this.getStatusText = function(editor, data) {
            return data.$keyChain || "";
        };

    }).call(HashHandler.prototype);

    exports.HashHandler = HashHandler;
    exports.MultiHashHandler = MultiHashHandler;
});

define("ace/commands/command_manager",["require","exports","module","ace/lib/oop","ace/keyboard/hash_handler","ace/lib/event_emitter"], function(require, exports, module) {
    "use strict";

    var oop = require("../lib/oop");
    var MultiHashHandler = require("../keyboard/hash_handler").MultiHashHandler;
    var EventEmitter = require("../lib/event_emitter").EventEmitter;

    var CommandManager = function(platform, commands) {
        MultiHashHandler.call(this, commands, platform);
        this.byName = this.commands;
        this.setDefaultHandler("exec", function(e) {
            if (!e.args) {
                return e.command.exec(e.editor, {}, e.event, true);
            }
            return e.command.exec(e.editor, e.args, e.event, false);
        });
    };

    oop.inherits(CommandManager, MultiHashHandler);

    (function() {

        oop.implement(this, EventEmitter);

        this.exec = function(command, editor, args) {
            if (Array.isArray(command)) {
                for (var i = command.length; i--; ) {
                    if (this.exec(command[i], editor, args)) return true;
                }
                return false;
            }

            if (typeof command === "string")
                command = this.commands[command];

            if (!command)
                return false;

            if (editor && editor.$readOnly && !command.readOnly)
                return false;

            if (this.$checkCommandState != false && command.isAvailable && !command.isAvailable(editor))
                return false;

            var e = {editor: editor, command: command, args: args};
            e.returnValue = this._emit("exec", e);
            this._signal("afterExec", e);

            return e.returnValue === false ? false : true;
        };

        this.toggleRecording = function(editor) {
            if (this.$inReplay)
                return;

            editor && editor._emit("changeStatus");
            if (this.recording) {
                this.macro.pop();
                this.off("exec", this.$addCommandToMacro);

                if (!this.macro.length)
                    this.macro = this.oldMacro;

                return this.recording = false;
            }
            if (!this.$addCommandToMacro) {
                this.$addCommandToMacro = function(e) {
                    this.macro.push([e.command, e.args]);
                }.bind(this);
            }

            this.oldMacro = this.macro;
            this.macro = [];
            this.on("exec", this.$addCommandToMacro);
            return this.recording = true;
        };

        this.replay = function(editor) {
            if (this.$inReplay || !this.macro)
                return;

            if (this.recording)
                return this.toggleRecording(editor);

            try {
                this.$inReplay = true;
                this.macro.forEach(function(x) {
                    if (typeof x == "string")
                        this.exec(x, editor);
                    else
                        this.exec(x[0], editor, x[1]);
                }, this);
            } finally {
                this.$inReplay = false;
            }
        };

        this.trimMacro = function(m) {
            return m.map(function(x){
                if (typeof x[0] != "string")
                    x[0] = x[0].name;
                if (!x[1])
                    x = x[0];
                return x;
            });
        };

    }).call(CommandManager.prototype);

    exports.CommandManager = CommandManager;

});

define("ace/commands/default_commands",["require","exports","module","ace/lib/lang","ace/config","ace/range"], function(require, exports, module) {
    "use strict";

    var lang = require("../lib/lang");
    var config = require("../config");
    var Range = require("../range").Range;

    function bindKey(win, mac) {
        return {win: win, mac: mac};
    }
    exports.commands = [{
        name: "showSettingsMenu",
        description: "Show settings menu",
        bindKey: bindKey("Ctrl-,", "Command-,"),
        exec: function(editor) {
            config.loadModule("ace/ext/settings_menu", function(module) {
                module.init(editor);
                editor.showSettingsMenu();
            });
        },
        readOnly: true
    }, {
        name: "goToNextError",
        description: "Go to next error",
        bindKey: bindKey("Alt-E", "F4"),
        exec: function(editor) {
            config.loadModule("./ext/error_marker", function(module) {
                module.showErrorMarker(editor, 1);
            });
        },
        scrollIntoView: "animate",
        readOnly: true
    }, {
        name: "goToPreviousError",
        description: "Go to previous error",
        bindKey: bindKey("Alt-Shift-E", "Shift-F4"),
        exec: function(editor) {
            config.loadModule("./ext/error_marker", function(module) {
                module.showErrorMarker(editor, -1);
            });
        },
        scrollIntoView: "animate",
        readOnly: true
    }, {
        name: "selectall",
        description: "Select all",
        bindKey: bindKey("Ctrl-A", "Command-A"),
        exec: function(editor) { editor.selectAll(); },
        readOnly: true
    }, {
        name: "centerselection",
        description: "Center selection",
        bindKey: bindKey(null, "Ctrl-L"),
        exec: function(editor) { editor.centerSelection(); },
        readOnly: true
    }, {
        name: "gotoline",
        description: "Go to line...",
        bindKey: bindKey("Ctrl-L", "Command-L"),
        exec: function(editor, line) {
            if (typeof line === "number" && !isNaN(line))
                editor.gotoLine(line);
            editor.prompt({ $type: "gotoLine" });
        },
        readOnly: true
    }, {
        name: "fold",
        bindKey: bindKey("Alt-L|Ctrl-F1", "Command-Alt-L|Command-F1"),
        exec: function(editor) { editor.session.toggleFold(false); },
        multiSelectAction: "forEach",
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "unfold",
        bindKey: bindKey("Alt-Shift-L|Ctrl-Shift-F1", "Command-Alt-Shift-L|Command-Shift-F1"),
        exec: function(editor) { editor.session.toggleFold(true); },
        multiSelectAction: "forEach",
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "toggleFoldWidget",
        description: "Toggle fold widget",
        bindKey: bindKey("F2", "F2"),
        exec: function(editor) { editor.session.toggleFoldWidget(); },
        multiSelectAction: "forEach",
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "toggleParentFoldWidget",
        description: "Toggle parent fold widget",
        bindKey: bindKey("Alt-F2", "Alt-F2"),
        exec: function(editor) { editor.session.toggleFoldWidget(true); },
        multiSelectAction: "forEach",
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "foldall",
        description: "Fold all",
        bindKey: bindKey(null, "Ctrl-Command-Option-0"),
        exec: function(editor) { editor.session.foldAll(); },
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "foldAllComments",
        description: "Fold all comments",
        bindKey: bindKey(null, "Ctrl-Command-Option-0"),
        exec: function(editor) { editor.session.foldAllComments(); },
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "foldOther",
        description: "Fold other",
        bindKey: bindKey("Alt-0", "Command-Option-0"),
        exec: function(editor) {
            editor.session.foldAll();
            editor.session.unfold(editor.selection.getAllRanges());
        },
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "unfoldall",
        description: "Unfold all",
        bindKey: bindKey("Alt-Shift-0", "Command-Option-Shift-0"),
        exec: function(editor) { editor.session.unfold(); },
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "findnext",
        description: "Find next",
        bindKey: bindKey("Ctrl-K", "Command-G"),
        exec: function(editor) { editor.findNext(); },
        multiSelectAction: "forEach",
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "findprevious",
        description: "Find previous",
        bindKey: bindKey("Ctrl-Shift-K", "Command-Shift-G"),
        exec: function(editor) { editor.findPrevious(); },
        multiSelectAction: "forEach",
        scrollIntoView: "center",
        readOnly: true
    }, {
        name: "selectOrFindNext",
        description: "Select or find next",
        bindKey: bindKey("Alt-K", "Ctrl-G"),
        exec: function(editor) {
            if (editor.selection.isEmpty())
                editor.selection.selectWord();
            else
                editor.findNext();
        },
        readOnly: true
    }, {
        name: "selectOrFindPrevious",
        description: "Select or find previous",
        bindKey: bindKey("Alt-Shift-K", "Ctrl-Shift-G"),
        exec: function(editor) {
            if (editor.selection.isEmpty())
                editor.selection.selectWord();
            else
                editor.findPrevious();
        },
        readOnly: true
    }, {
        name: "find",
        description: "Find",
        bindKey: bindKey("Ctrl-F", "Command-F"),
        exec: function(editor) {
            config.loadModule("ace/ext/searchbox", function(e) {e.Search(editor);});
        },
        readOnly: true
    }, {
        name: "overwrite",
        description: "Overwrite",
        bindKey: "Insert",
        exec: function(editor) { editor.toggleOverwrite(); },
        readOnly: true
    }, {
        name: "selecttostart",
        description: "Select to start",
        bindKey: bindKey("Ctrl-Shift-Home", "Command-Shift-Home|Command-Shift-Up"),
        exec: function(editor) { editor.getSelection().selectFileStart(); },
        multiSelectAction: "forEach",
        readOnly: true,
        scrollIntoView: "animate",
        aceCommandGroup: "fileJump"
    }, {
        name: "gotostart",
        description: "Go to start",
        bindKey: bindKey("Ctrl-Home", "Command-Home|Command-Up"),
        exec: function(editor) { editor.navigateFileStart(); },
        multiSelectAction: "forEach",
        readOnly: true,
        scrollIntoView: "animate",
        aceCommandGroup: "fileJump"
    }, {
        name: "selectup",
        description: "Select up",
        bindKey: bindKey("Shift-Up", "Shift-Up|Ctrl-Shift-P"),
        exec: function(editor) { editor.getSelection().selectUp(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "golineup",
        description: "Go line up",
        bindKey: bindKey("Up", "Up|Ctrl-P"),
        exec: function(editor, args) { editor.navigateUp(args.times); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selecttoend",
        description: "Select to end",
        bindKey: bindKey("Ctrl-Shift-End", "Command-Shift-End|Command-Shift-Down"),
        exec: function(editor) { editor.getSelection().selectFileEnd(); },
        multiSelectAction: "forEach",
        readOnly: true,
        scrollIntoView: "animate",
        aceCommandGroup: "fileJump"
    }, {
        name: "gotoend",
        description: "Go to end",
        bindKey: bindKey("Ctrl-End", "Command-End|Command-Down"),
        exec: function(editor) { editor.navigateFileEnd(); },
        multiSelectAction: "forEach",
        readOnly: true,
        scrollIntoView: "animate",
        aceCommandGroup: "fileJump"
    }, {
        name: "selectdown",
        description: "Select down",
        bindKey: bindKey("Shift-Down", "Shift-Down|Ctrl-Shift-N"),
        exec: function(editor) { editor.getSelection().selectDown(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "golinedown",
        description: "Go line down",
        bindKey: bindKey("Down", "Down|Ctrl-N"),
        exec: function(editor, args) { editor.navigateDown(args.times); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectwordleft",
        description: "Select word left",
        bindKey: bindKey("Ctrl-Shift-Left", "Option-Shift-Left"),
        exec: function(editor) { editor.getSelection().selectWordLeft(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "gotowordleft",
        description: "Go to word left",
        bindKey: bindKey("Ctrl-Left", "Option-Left"),
        exec: function(editor) { editor.navigateWordLeft(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selecttolinestart",
        description: "Select to line start",
        bindKey: bindKey("Alt-Shift-Left", "Command-Shift-Left|Ctrl-Shift-A"),
        exec: function(editor) { editor.getSelection().selectLineStart(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "gotolinestart",
        description: "Go to line start",
        bindKey: bindKey("Alt-Left|Home", "Command-Left|Home|Ctrl-A"),
        exec: function(editor) { editor.navigateLineStart(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectleft",
        description: "Select left",
        bindKey: bindKey("Shift-Left", "Shift-Left|Ctrl-Shift-B"),
        exec: function(editor) { editor.getSelection().selectLeft(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "gotoleft",
        description: "Go to left",
        bindKey: bindKey("Left", "Left|Ctrl-B"),
        exec: function(editor, args) { editor.navigateLeft(args.times); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectwordright",
        description: "Select word right",
        bindKey: bindKey("Ctrl-Shift-Right", "Option-Shift-Right"),
        exec: function(editor) { editor.getSelection().selectWordRight(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "gotowordright",
        description: "Go to word right",
        bindKey: bindKey("Ctrl-Right", "Option-Right"),
        exec: function(editor) { editor.navigateWordRight(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selecttolineend",
        description: "Select to line end",
        bindKey: bindKey("Alt-Shift-Right", "Command-Shift-Right|Shift-End|Ctrl-Shift-E"),
        exec: function(editor) { editor.getSelection().selectLineEnd(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "gotolineend",
        description: "Go to line end",
        bindKey: bindKey("Alt-Right|End", "Command-Right|End|Ctrl-E"),
        exec: function(editor) { editor.navigateLineEnd(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectright",
        description: "Select right",
        bindKey: bindKey("Shift-Right", "Shift-Right"),
        exec: function(editor) { editor.getSelection().selectRight(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "gotoright",
        description: "Go to right",
        bindKey: bindKey("Right", "Right|Ctrl-F"),
        exec: function(editor, args) { editor.navigateRight(args.times); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectpagedown",
        description: "Select page down",
        bindKey: "Shift-PageDown",
        exec: function(editor) { editor.selectPageDown(); },
        readOnly: true
    }, {
        name: "pagedown",
        description: "Page down",
        bindKey: bindKey(null, "Option-PageDown"),
        exec: function(editor) { editor.scrollPageDown(); },
        readOnly: true
    }, {
        name: "gotopagedown",
        description: "Go to page down",
        bindKey: bindKey("PageDown", "PageDown|Ctrl-V"),
        exec: function(editor) { editor.gotoPageDown(); },
        readOnly: true
    }, {
        name: "selectpageup",
        description: "Select page up",
        bindKey: "Shift-PageUp",
        exec: function(editor) { editor.selectPageUp(); },
        readOnly: true
    }, {
        name: "pageup",
        description: "Page up",
        bindKey: bindKey(null, "Option-PageUp"),
        exec: function(editor) { editor.scrollPageUp(); },
        readOnly: true
    }, {
        name: "gotopageup",
        description: "Go to page up",
        bindKey: "PageUp",
        exec: function(editor) { editor.gotoPageUp(); },
        readOnly: true
    }, {
        name: "scrollup",
        description: "Scroll up",
        bindKey: bindKey("Ctrl-Up", null),
        exec: function(e) { e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight); },
        readOnly: true
    }, {
        name: "scrolldown",
        description: "Scroll down",
        bindKey: bindKey("Ctrl-Down", null),
        exec: function(e) { e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight); },
        readOnly: true
    }, {
        name: "selectlinestart",
        description: "Select line start",
        bindKey: "Shift-Home",
        exec: function(editor) { editor.getSelection().selectLineStart(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectlineend",
        description: "Select line end",
        bindKey: "Shift-End",
        exec: function(editor) { editor.getSelection().selectLineEnd(); },
        multiSelectAction: "forEach",
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "togglerecording",
        description: "Toggle recording",
        bindKey: bindKey("Ctrl-Alt-E", "Command-Option-E"),
        exec: function(editor) { editor.commands.toggleRecording(editor); },
        readOnly: true
    }, {
        name: "replaymacro",
        description: "Replay macro",
        bindKey: bindKey("Ctrl-Shift-E", "Command-Shift-E"),
        exec: function(editor) { editor.commands.replay(editor); },
        readOnly: true
    }, {
        name: "jumptomatching",
        description: "Jump to matching",
        bindKey: bindKey("Ctrl-\\|Ctrl-P", "Command-\\"),
        exec: function(editor) { editor.jumpToMatching(); },
        multiSelectAction: "forEach",
        scrollIntoView: "animate",
        readOnly: true
    }, {
        name: "selecttomatching",
        description: "Select to matching",
        bindKey: bindKey("Ctrl-Shift-\\|Ctrl-Shift-P", "Command-Shift-\\"),
        exec: function(editor) { editor.jumpToMatching(true); },
        multiSelectAction: "forEach",
        scrollIntoView: "animate",
        readOnly: true
    }, {
        name: "expandToMatching",
        description: "Expand to matching",
        bindKey: bindKey("Ctrl-Shift-M", "Ctrl-Shift-M"),
        exec: function(editor) { editor.jumpToMatching(true, true); },
        multiSelectAction: "forEach",
        scrollIntoView: "animate",
        readOnly: true
    }, {
        name: "passKeysToBrowser",
        description: "Pass keys to browser",
        bindKey: bindKey(null, null),
        exec: function() {},
        passEvent: true,
        readOnly: true
    }, {
        name: "copy",
        description: "Copy",
        exec: function(editor) {
        },
        readOnly: true
    },
        {
            name: "cut",
            description: "Cut",
            exec: function(editor) {
                var cutLine = editor.$copyWithEmptySelection && editor.selection.isEmpty();
                var range = cutLine ? editor.selection.getLineRange() : editor.selection.getRange();
                editor._emit("cut", range);

                if (!range.isEmpty())
                    editor.session.remove(range);
                editor.clearSelection();
            },
            scrollIntoView: "cursor",
            multiSelectAction: "forEach"
        }, {
            name: "paste",
            description: "Paste",
            exec: function(editor, args) {
                editor.$handlePaste(args);
            },
            scrollIntoView: "cursor"
        }, {
            name: "removeline",
            description: "Remove line",
            bindKey: bindKey("Ctrl-D", "Command-D"),
            exec: function(editor) { editor.removeLines(); },
            scrollIntoView: "cursor",
            multiSelectAction: "forEachLine"
        }, {
            name: "duplicateSelection",
            description: "Duplicate selection",
            bindKey: bindKey("Ctrl-Shift-D", "Command-Shift-D"),
            exec: function(editor) { editor.duplicateSelection(); },
            scrollIntoView: "cursor",
            multiSelectAction: "forEach"
        }, {
            name: "sortlines",
            description: "Sort lines",
            bindKey: bindKey("Ctrl-Alt-S", "Command-Alt-S"),
            exec: function(editor) { editor.sortLines(); },
            scrollIntoView: "selection",
            multiSelectAction: "forEachLine"
        }, {
            name: "togglecomment",
            description: "Toggle comment",
            bindKey: bindKey("Ctrl-/", "Command-/"),
            exec: function(editor) { editor.toggleCommentLines(); },
            multiSelectAction: "forEachLine",
            scrollIntoView: "selectionPart"
        }, {
            name: "toggleBlockComment",
            description: "Toggle block comment",
            bindKey: bindKey("Ctrl-Shift-/", "Command-Shift-/"),
            exec: function(editor) { editor.toggleBlockComment(); },
            multiSelectAction: "forEach",
            scrollIntoView: "selectionPart"
        }, {
            name: "modifyNumberUp",
            description: "Modify number up",
            bindKey: bindKey("Ctrl-Shift-Up", "Alt-Shift-Up"),
            exec: function(editor) { editor.modifyNumber(1); },
            scrollIntoView: "cursor",
            multiSelectAction: "forEach"
        }, {
            name: "modifyNumberDown",
            description: "Modify number down",
            bindKey: bindKey("Ctrl-Shift-Down", "Alt-Shift-Down"),
            exec: function(editor) { editor.modifyNumber(-1); },
            scrollIntoView: "cursor",
            multiSelectAction: "forEach"
        }, {
            name: "replace",
            description: "Replace",
            bindKey: bindKey("Ctrl-H", "Command-Option-F"),
            exec: function(editor) {
                config.loadModule("ace/ext/searchbox", function(e) {e.Search(editor, true);});
            }
        }, {
            name: "undo",
            description: "Undo",
            bindKey: bindKey("Ctrl-Z", "Command-Z"),
            exec: function(editor) { editor.undo(); }
        }, {
            name: "redo",
            description: "Redo",
            bindKey: bindKey("Ctrl-Shift-Z|Ctrl-Y", "Command-Shift-Z|Command-Y"),
            exec: function(editor) { editor.redo(); }
        }, {
            name: "copylinesup",
            description: "Copy lines up",
            bindKey: bindKey("Alt-Shift-Up", "Command-Option-Up"),
            exec: function(editor) { editor.copyLinesUp(); },
            scrollIntoView: "cursor"
        }, {
            name: "movelinesup",
            description: "Move lines up",
            bindKey: bindKey("Alt-Up", "Option-Up"),
            exec: function(editor) { editor.moveLinesUp(); },
            scrollIntoView: "cursor"
        }, {
            name: "copylinesdown",
            description: "Copy lines down",
            bindKey: bindKey("Alt-Shift-Down", "Command-Option-Down"),
            exec: function(editor) { editor.copyLinesDown(); },
            scrollIntoView: "cursor"
        }, {
            name: "movelinesdown",
            description: "Move lines down",
            bindKey: bindKey("Alt-Down", "Option-Down"),
            exec: function(editor) { editor.moveLinesDown(); },
            scrollIntoView: "cursor"
        }, {
            name: "del",
            description: "Delete",
            bindKey: bindKey("Delete", "Delete|Ctrl-D|Shift-Delete"),
            exec: function(editor) { editor.remove("right"); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "backspace",
            description: "Backspace",
            bindKey: bindKey(
                "Shift-Backspace|Backspace",
                "Ctrl-Backspace|Shift-Backspace|Backspace|Ctrl-H"
            ),
            exec: function(editor) { editor.remove("left"); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "cut_or_delete",
            description: "Cut or delete",
            bindKey: bindKey("Shift-Delete", null),
            exec: function(editor) {
                if (editor.selection.isEmpty()) {
                    editor.remove("left");
                } else {
                    return false;
                }
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "removetolinestart",
            description: "Remove to line start",
            bindKey: bindKey("Alt-Backspace", "Command-Backspace"),
            exec: function(editor) { editor.removeToLineStart(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "removetolineend",
            description: "Remove to line end",
            bindKey: bindKey("Alt-Delete", "Ctrl-K|Command-Delete"),
            exec: function(editor) { editor.removeToLineEnd(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "removetolinestarthard",
            description: "Remove to line start hard",
            bindKey: bindKey("Ctrl-Shift-Backspace", null),
            exec: function(editor) {
                var range = editor.selection.getRange();
                range.start.column = 0;
                editor.session.remove(range);
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "removetolineendhard",
            description: "Remove to line end hard",
            bindKey: bindKey("Ctrl-Shift-Delete", null),
            exec: function(editor) {
                var range = editor.selection.getRange();
                range.end.column = Number.MAX_VALUE;
                editor.session.remove(range);
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "removewordleft",
            description: "Remove word left",
            bindKey: bindKey("Ctrl-Backspace", "Alt-Backspace|Ctrl-Alt-Backspace"),
            exec: function(editor) { editor.removeWordLeft(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "removewordright",
            description: "Remove word right",
            bindKey: bindKey("Ctrl-Delete", "Alt-Delete"),
            exec: function(editor) { editor.removeWordRight(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "outdent",
            description: "Outdent",
            bindKey: bindKey("Shift-Tab", "Shift-Tab"),
            exec: function(editor) { editor.blockOutdent(); },
            multiSelectAction: "forEach",
            scrollIntoView: "selectionPart"
        }, {
            name: "indent",
            description: "Indent",
            bindKey: bindKey("Tab", "Tab"),
            exec: function(editor) { editor.indent(); },
            multiSelectAction: "forEach",
            scrollIntoView: "selectionPart"
        }, {
            name: "blockoutdent",
            description: "Block outdent",
            bindKey: bindKey("Ctrl-[", "Ctrl-["),
            exec: function(editor) { editor.blockOutdent(); },
            multiSelectAction: "forEachLine",
            scrollIntoView: "selectionPart"
        }, {
            name: "blockindent",
            description: "Block indent",
            bindKey: bindKey("Ctrl-]", "Ctrl-]"),
            exec: function(editor) { editor.blockIndent(); },
            multiSelectAction: "forEachLine",
            scrollIntoView: "selectionPart"
        }, {
            name: "insertstring",
            description: "Insert string",
            exec: function(editor, str) { editor.insert(str); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "inserttext",
            description: "Insert text",
            exec: function(editor, args) {
                editor.insert(lang.stringRepeat(args.text  || "", args.times || 1));
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "splitline",
            description: "Split line",
            bindKey: bindKey(null, "Ctrl-O"),
            exec: function(editor) { editor.splitLine(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "transposeletters",
            description: "Transpose letters",
            bindKey: bindKey("Alt-Shift-X", "Ctrl-T"),
            exec: function(editor) { editor.transposeLetters(); },
            multiSelectAction: function(editor) {editor.transposeSelections(1); },
            scrollIntoView: "cursor"
        }, {
            name: "touppercase",
            description: "To uppercase",
            bindKey: bindKey("Ctrl-U", "Ctrl-U"),
            exec: function(editor) { editor.toUpperCase(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "tolowercase",
            description: "To lowercase",
            bindKey: bindKey("Ctrl-Shift-U", "Ctrl-Shift-U"),
            exec: function(editor) { editor.toLowerCase(); },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "autoindent",
            description: "Auto Indent",
            bindKey: bindKey(null, null),
            exec: function(editor) { editor.autoIndent(); },
            multiSelectAction: "forEachLine",
            scrollIntoView: "animate"
        }, {
            name: "expandtoline",
            description: "Expand to line",
            bindKey: bindKey("Ctrl-Shift-L", "Command-Shift-L"),
            exec: function(editor) {
                var range = editor.selection.getRange();

                range.start.column = range.end.column = 0;
                range.end.row++;
                editor.selection.setRange(range, false);
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor",
            readOnly: true
        }, {
            name: "joinlines",
            description: "Join lines",
            bindKey: bindKey(null, null),
            exec: function(editor) {
                var isBackwards = editor.selection.isBackwards();
                var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
                var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
                var firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length;
                var selectedText = editor.session.doc.getTextRange(editor.selection.getRange());
                var selectedCount = selectedText.replace(/\n\s*/, " ").length;
                var insertLine = editor.session.doc.getLine(selectionStart.row);

                for (var i = selectionStart.row + 1; i <= selectionEnd.row + 1; i++) {
                    var curLine = lang.stringTrimLeft(lang.stringTrimRight(editor.session.doc.getLine(i)));
                    if (curLine.length !== 0) {
                        curLine = " " + curLine;
                    }
                    insertLine += curLine;
                }

                if (selectionEnd.row + 1 < (editor.session.doc.getLength() - 1)) {
                    insertLine += editor.session.doc.getNewLineCharacter();
                }

                editor.clearSelection();
                editor.session.doc.replace(new Range(selectionStart.row, 0, selectionEnd.row + 2, 0), insertLine);

                if (selectedCount > 0) {
                    editor.selection.moveCursorTo(selectionStart.row, selectionStart.column);
                    editor.selection.selectTo(selectionStart.row, selectionStart.column + selectedCount);
                } else {
                    firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length > firstLineEndCol ? (firstLineEndCol + 1) : firstLineEndCol;
                    editor.selection.moveCursorTo(selectionStart.row, firstLineEndCol);
                }
            },
            multiSelectAction: "forEach",
            readOnly: true
        }, {
            name: "invertSelection",
            description: "Invert selection",
            bindKey: bindKey(null, null),
            exec: function(editor) {
                var endRow = editor.session.doc.getLength() - 1;
                var endCol = editor.session.doc.getLine(endRow).length;
                var ranges = editor.selection.rangeList.ranges;
                var newRanges = [];
                if (ranges.length < 1) {
                    ranges = [editor.selection.getRange()];
                }

                for (var i = 0; i < ranges.length; i++) {
                    if (i == (ranges.length - 1)) {
                        if (!(ranges[i].end.row === endRow && ranges[i].end.column === endCol)) {
                            newRanges.push(new Range(ranges[i].end.row, ranges[i].end.column, endRow, endCol));
                        }
                    }

                    if (i === 0) {
                        if (!(ranges[i].start.row === 0 && ranges[i].start.column === 0)) {
                            newRanges.push(new Range(0, 0, ranges[i].start.row, ranges[i].start.column));
                        }
                    } else {
                        newRanges.push(new Range(ranges[i-1].end.row, ranges[i-1].end.column, ranges[i].start.row, ranges[i].start.column));
                    }
                }

                editor.exitMultiSelectMode();
                editor.clearSelection();

                for(var i = 0; i < newRanges.length; i++) {
                    editor.selection.addRange(newRanges[i], false);
                }
            },
            readOnly: true,
            scrollIntoView: "none"
        }, {
            name: "addLineAfter",
            description: "Add new line after the current line",
            exec: function(editor) {
                editor.selection.clearSelection();
                editor.navigateLineEnd();
                editor.insert("\n");
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "addLineBefore",
            description: "Add new line before the current line",
            exec: function(editor) {
                editor.selection.clearSelection();
                var cursor = editor.getCursorPosition();
                editor.selection.moveTo(cursor.row - 1, Number.MAX_VALUE);
                editor.insert("\n");
                if (cursor.row === 0) editor.navigateUp();
            },
            multiSelectAction: "forEach",
            scrollIntoView: "cursor"
        }, {
            name: "openCommandPallete",
            description: "Open command pallete",
            bindKey: bindKey("F1", "F1"),
            exec: function(editor) {
                editor.prompt({ $type: "commands" });
            },
            readOnly: true
        }, {
            name: "modeSelect",
            description: "Change language mode...",
            bindKey: bindKey(null, null),
            exec: function(editor) {
                editor.prompt({ $type: "modes" });
            },
            readOnly: true
        }];

    for (var i = 1; i < 9; i++) {
        exports.commands.push({
            name: "foldToLevel" + i,
            description: "Fold To Level " + i,
            level: i,
            exec: function(editor) { editor.session.foldToLevel(this.level); },
            scrollIntoView: "center",
            readOnly: true
        });
    }

});

define("ace/editor",["require","exports","module","ace/lib/fixoldbrowsers","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/useragent","ace/keyboard/textinput","ace/mouse/mouse_handler","ace/mouse/fold_handler","ace/keyboard/keybinding","ace/edit_session","ace/search","ace/range","ace/lib/event_emitter","ace/commands/command_manager","ace/commands/default_commands","ace/config","ace/token_iterator","ace/clipboard"], function(require, exports, module) {
    "use strict";

    require("./lib/fixoldbrowsers");

    var oop = require("./lib/oop");
    var dom = require("./lib/dom");
    var lang = require("./lib/lang");
    var useragent = require("./lib/useragent");
    var TextInput = require("./keyboard/textinput").TextInput;
    var MouseHandler = require("./mouse/mouse_handler").MouseHandler;
    var FoldHandler = require("./mouse/fold_handler").FoldHandler;
    var KeyBinding = require("./keyboard/keybinding").KeyBinding;
    var EditSession = require("./edit_session").EditSession;
    var Search = require("./search").Search;
    var Range = require("./range").Range;
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var CommandManager = require("./commands/command_manager").CommandManager;
    var defaultCommands = require("./commands/default_commands").commands;
    var config = require("./config");
    var TokenIterator = require("./token_iterator").TokenIterator;

    var clipboard = require("./clipboard");
    var Editor = function(renderer, session, options) {
        this.$toDestroy = [];
        var container = renderer.getContainerElement();
        this.container = container;
        this.renderer = renderer;
        this.id = "editor" + (++Editor.$uid);

        this.commands = new CommandManager(useragent.isMac ? "mac" : "win", defaultCommands);
        if (typeof document == "object") {
            this.textInput = new TextInput(renderer.getTextAreaContainer(), this);
            this.renderer.textarea = this.textInput.getElement();
            this.$mouseHandler = new MouseHandler(this);
            new FoldHandler(this);
        }

        this.keyBinding = new KeyBinding(this);

        this.$search = new Search().set({
            wrap: true
        });

        this.$historyTracker = this.$historyTracker.bind(this);
        this.commands.on("exec", this.$historyTracker);

        this.$initOperationListeners();

        this._$emitInputEvent = lang.delayedCall(function() {
            this._signal("input", {});
            if (this.session && !this.session.destroyed)
                this.session.bgTokenizer.scheduleStart();
        }.bind(this));

        this.on("change", function(_, _self) {
            _self._$emitInputEvent.schedule(31);
        });

        this.setSession(session || options && options.session || new EditSession(""));
        config.resetOptions(this);
        if (options)
            this.setOptions(options);
        config._signal("editor", this);
    };

    Editor.$uid = 0;

    (function(){

        oop.implement(this, EventEmitter);

        this.$initOperationListeners = function() {
            this.commands.on("exec", this.startOperation.bind(this), true);
            this.commands.on("afterExec", this.endOperation.bind(this), true);

            this.$opResetTimer = lang.delayedCall(this.endOperation.bind(this, true));
            this.on("change", function() {
                if (!this.curOp) {
                    this.startOperation();
                    this.curOp.selectionBefore = this.$lastSel;
                }
                this.curOp.docChanged = true;
            }.bind(this), true);

            this.on("changeSelection", function() {
                if (!this.curOp) {
                    this.startOperation();
                    this.curOp.selectionBefore = this.$lastSel;
                }
                this.curOp.selectionChanged = true;
            }.bind(this), true);
        };

        this.curOp = null;
        this.prevOp = {};
        this.startOperation = function(commandEvent) {
            if (this.curOp) {
                if (!commandEvent || this.curOp.command)
                    return;
                this.prevOp = this.curOp;
            }
            if (!commandEvent) {
                this.previousCommand = null;
                commandEvent = {};
            }

            this.$opResetTimer.schedule();
            this.curOp = this.session.curOp = {
                command: commandEvent.command || {},
                args: commandEvent.args,
                scrollTop: this.renderer.scrollTop
            };
            this.curOp.selectionBefore = this.selection.toJSON();
        };

        this.endOperation = function(e) {
            if (this.curOp && this.session) {
                if (e && e.returnValue === false || !this.session)
                    return (this.curOp = null);
                if (e == true && this.curOp.command && this.curOp.command.name == "mouse")
                    return;
                this._signal("beforeEndOperation");
                if (!this.curOp) return;
                var command = this.curOp.command;
                var scrollIntoView = command && command.scrollIntoView;
                if (scrollIntoView) {
                    switch (scrollIntoView) {
                        case "center-animate":
                            scrollIntoView = "animate";
                        case "center":
                            this.renderer.scrollCursorIntoView(null, 0.5);
                            break;
                        case "animate":
                        case "cursor":
                            this.renderer.scrollCursorIntoView();
                            break;
                        case "selectionPart":
                            var range = this.selection.getRange();
                            var config = this.renderer.layerConfig;
                            if (range.start.row >= config.lastRow || range.end.row <= config.firstRow) {
                                this.renderer.scrollSelectionIntoView(this.selection.anchor, this.selection.lead);
                            }
                            break;
                        default:
                            break;
                    }
                    if (scrollIntoView == "animate")
                        this.renderer.animateScrolling(this.curOp.scrollTop);
                }
                var sel = this.selection.toJSON();
                this.curOp.selectionAfter = sel;
                this.$lastSel = this.selection.toJSON();
                this.session.getUndoManager().addSelection(sel);
                this.prevOp = this.curOp;
                this.curOp = null;
            }
        };
        this.$mergeableCommands = ["backspace", "del", "insertstring"];
        this.$historyTracker = function(e) {
            if (!this.$mergeUndoDeltas)
                return;

            var prev = this.prevOp;
            var mergeableCommands = this.$mergeableCommands;
            var shouldMerge = prev.command && (e.command.name == prev.command.name);
            if (e.command.name == "insertstring") {
                var text = e.args;
                if (this.mergeNextCommand === undefined)
                    this.mergeNextCommand = true;

                shouldMerge = shouldMerge
                    && this.mergeNextCommand // previous command allows to coalesce with
                    && (!/\s/.test(text) || /\s/.test(prev.args)); // previous insertion was of same type

                this.mergeNextCommand = true;
            } else {
                shouldMerge = shouldMerge
                    && mergeableCommands.indexOf(e.command.name) !== -1; // the command is mergeable
            }

            if (
                this.$mergeUndoDeltas != "always"
                && Date.now() - this.sequenceStartTime > 2000
            ) {
                shouldMerge = false; // the sequence is too long
            }

            if (shouldMerge)
                this.session.mergeUndoDeltas = true;
            else if (mergeableCommands.indexOf(e.command.name) !== -1)
                this.sequenceStartTime = Date.now();
        };
        this.setKeyboardHandler = function(keyboardHandler, cb) {
            if (keyboardHandler && typeof keyboardHandler === "string" && keyboardHandler != "ace") {
                this.$keybindingId = keyboardHandler;
                var _self = this;
                config.loadModule(["keybinding", keyboardHandler], function(module) {
                    if (_self.$keybindingId == keyboardHandler)
                        _self.keyBinding.setKeyboardHandler(module && module.handler);
                    cb && cb();
                });
            } else {
                this.$keybindingId = null;
                this.keyBinding.setKeyboardHandler(keyboardHandler);
                cb && cb();
            }
        };
        this.getKeyboardHandler = function() {
            return this.keyBinding.getKeyboardHandler();
        };
        this.setSession = function(session) {
            if (this.session == session)
                return;
            if (this.curOp) this.endOperation();
            this.curOp = {};

            var oldSession = this.session;
            if (oldSession) {
                this.session.off("change", this.$onDocumentChange);
                this.session.off("changeMode", this.$onChangeMode);
                this.session.off("tokenizerUpdate", this.$onTokenizerUpdate);
                this.session.off("changeTabSize", this.$onChangeTabSize);
                this.session.off("changeWrapLimit", this.$onChangeWrapLimit);
                this.session.off("changeWrapMode", this.$onChangeWrapMode);
                this.session.off("changeFold", this.$onChangeFold);
                this.session.off("changeFrontMarker", this.$onChangeFrontMarker);
                this.session.off("changeBackMarker", this.$onChangeBackMarker);
                this.session.off("changeBreakpoint", this.$onChangeBreakpoint);
                this.session.off("changeAnnotation", this.$onChangeAnnotation);
                this.session.off("changeOverwrite", this.$onCursorChange);
                this.session.off("changeScrollTop", this.$onScrollTopChange);
                this.session.off("changeScrollLeft", this.$onScrollLeftChange);

                var selection = this.session.getSelection();
                selection.off("changeCursor", this.$onCursorChange);
                selection.off("changeSelection", this.$onSelectionChange);
            }

            this.session = session;
            if (session) {
                this.$onDocumentChange = this.onDocumentChange.bind(this);
                session.on("change", this.$onDocumentChange);
                this.renderer.setSession(session);

                this.$onChangeMode = this.onChangeMode.bind(this);
                session.on("changeMode", this.$onChangeMode);

                this.$onTokenizerUpdate = this.onTokenizerUpdate.bind(this);
                session.on("tokenizerUpdate", this.$onTokenizerUpdate);

                this.$onChangeTabSize = this.renderer.onChangeTabSize.bind(this.renderer);
                session.on("changeTabSize", this.$onChangeTabSize);

                this.$onChangeWrapLimit = this.onChangeWrapLimit.bind(this);
                session.on("changeWrapLimit", this.$onChangeWrapLimit);

                this.$onChangeWrapMode = this.onChangeWrapMode.bind(this);
                session.on("changeWrapMode", this.$onChangeWrapMode);

                this.$onChangeFold = this.onChangeFold.bind(this);
                session.on("changeFold", this.$onChangeFold);

                this.$onChangeFrontMarker = this.onChangeFrontMarker.bind(this);
                this.session.on("changeFrontMarker", this.$onChangeFrontMarker);

                this.$onChangeBackMarker = this.onChangeBackMarker.bind(this);
                this.session.on("changeBackMarker", this.$onChangeBackMarker);

                this.$onChangeBreakpoint = this.onChangeBreakpoint.bind(this);
                this.session.on("changeBreakpoint", this.$onChangeBreakpoint);

                this.$onChangeAnnotation = this.onChangeAnnotation.bind(this);
                this.session.on("changeAnnotation", this.$onChangeAnnotation);

                this.$onCursorChange = this.onCursorChange.bind(this);
                this.session.on("changeOverwrite", this.$onCursorChange);

                this.$onScrollTopChange = this.onScrollTopChange.bind(this);
                this.session.on("changeScrollTop", this.$onScrollTopChange);

                this.$onScrollLeftChange = this.onScrollLeftChange.bind(this);
                this.session.on("changeScrollLeft", this.$onScrollLeftChange);

                this.selection = session.getSelection();
                this.selection.on("changeCursor", this.$onCursorChange);

                this.$onSelectionChange = this.onSelectionChange.bind(this);
                this.selection.on("changeSelection", this.$onSelectionChange);

                this.onChangeMode();

                this.onCursorChange();

                this.onScrollTopChange();
                this.onScrollLeftChange();
                this.onSelectionChange();
                this.onChangeFrontMarker();
                this.onChangeBackMarker();
                this.onChangeBreakpoint();
                this.onChangeAnnotation();
                this.session.getUseWrapMode() && this.renderer.adjustWrapLimit();
                this.renderer.updateFull();
            } else {
                this.selection = null;
                this.renderer.setSession(session);
            }

            this._signal("changeSession", {
                session: session,
                oldSession: oldSession
            });

            this.curOp = null;

            oldSession && oldSession._signal("changeEditor", {oldEditor: this});
            session && session._signal("changeEditor", {editor: this});

            if (session && !session.destroyed)
                session.bgTokenizer.scheduleStart();
        };
        this.getSession = function() {
            return this.session;
        };
        this.setValue = function(val, cursorPos) {
            this.session.doc.setValue(val);

            if (!cursorPos)
                this.selectAll();
            else if (cursorPos == 1)
                this.navigateFileEnd();
            else if (cursorPos == -1)
                this.navigateFileStart();

            return val;
        };
        this.getValue = function() {
            return this.session.getValue();
        };
        this.getSelection = function() {
            return this.selection;
        };
        this.resize = function(force) {
            this.renderer.onResize(force);
        };
        this.setTheme = function(theme, cb) {
            this.renderer.setTheme(theme, cb);
        };
        this.getTheme = function() {
            return this.renderer.getTheme();
        };
        this.setStyle = function(style) {
            this.renderer.setStyle(style);
        };
        this.unsetStyle = function(style) {
            this.renderer.unsetStyle(style);
        };
        this.getFontSize = function () {
            return this.getOption("fontSize") ||
                dom.computedStyle(this.container).fontSize;
        };
        this.setFontSize = function(size) {
            this.setOption("fontSize", size);
        };

        this.$highlightBrackets = function() {
            if (this.$highlightPending) {
                return;
            }
            var self = this;
            this.$highlightPending = true;
            setTimeout(function () {
                self.$highlightPending = false;
                var session = self.session;
                if (!session || session.destroyed) return;
                if (session.$bracketHighlight) {
                    session.$bracketHighlight.markerIds.forEach(function(id) {
                        session.removeMarker(id);
                    });
                    session.$bracketHighlight = null;
                }
                var ranges = session.getMatchingBracketRanges(self.getCursorPosition());
                if (!ranges && session.$mode.getMatching)
                    ranges = session.$mode.getMatching(self.session);
                if (!ranges)
                    return;

                var markerType = "ace_bracket";
                if (!Array.isArray(ranges)) {
                    ranges = [ranges];
                } else if (ranges.length == 1) {
                    markerType = "ace_error_bracket";
                }
                if (ranges.length == 2) {
                    if (Range.comparePoints(ranges[0].end, ranges[1].start) == 0)
                        ranges = [Range.fromPoints(ranges[0].start, ranges[1].end)];
                    else if (Range.comparePoints(ranges[0].start, ranges[1].end) == 0)
                        ranges = [Range.fromPoints(ranges[1].start, ranges[0].end)];
                }

                session.$bracketHighlight = {
                    ranges: ranges,
                    markerIds: ranges.map(function(range) {
                        return session.addMarker(range, markerType, "text");
                    })
                };
            }, 50);
        };
        this.$highlightTags = function() {
            if (this.$highlightTagPending)
                return;
            var self = this;
            this.$highlightTagPending = true;
            setTimeout(function() {
                self.$highlightTagPending = false;

                var session = self.session;
                if (!session || session.destroyed) return;

                var pos = self.getCursorPosition();
                var iterator = new TokenIterator(self.session, pos.row, pos.column);
                var token = iterator.getCurrentToken();

                if (!token || !/\b(?:tag-open|tag-name)/.test(token.type)) {
                    session.removeMarker(session.$tagHighlight);
                    session.$tagHighlight = null;
                    return;
                }

                if (token.type.indexOf("tag-open") !== -1) {
                    token = iterator.stepForward();
                    if (!token)
                        return;
                }

                var tag = token.value;
                var currentTag = token.value;
                var depth = 0;
                var prevToken = iterator.stepBackward();

                if (prevToken.value === '<'){
                    do {
                        prevToken = token;
                        token = iterator.stepForward();

                        if (token) {
                            if (token.type.indexOf('tag-name') !== -1) {
                                currentTag = token.value;
                                if (tag === currentTag) {
                                    if (prevToken.value === '<') {
                                        depth++;
                                    } else if (prevToken.value === '</') {
                                        depth--;
                                    }
                                }
                            } else if (tag === currentTag && token.value === '/>') { // self closing tag
                                depth--;
                            }
                        }

                    } while (token && depth >= 0);
                } else {
                    do {
                        token = prevToken;
                        prevToken = iterator.stepBackward();

                        if (token) {
                            if (token.type.indexOf('tag-name') !== -1) {
                                if (tag === token.value) {
                                    if (prevToken.value === '<') {
                                        depth++;
                                    } else if (prevToken.value === '</') {
                                        depth--;
                                    }
                                }
                            } else if (token.value === '/>') { // self closing tag
                                var stepCount = 0;
                                var tmpToken = prevToken;
                                while (tmpToken) {
                                    if (tmpToken.type.indexOf('tag-name') !== -1 && tmpToken.value === tag) {
                                        depth--;
                                        break;
                                    } else if (tmpToken.value === '<') {
                                        break;
                                    }
                                    tmpToken = iterator.stepBackward();
                                    stepCount++;
                                }
                                for (var i = 0; i < stepCount; i++) {
                                    iterator.stepForward();
                                }
                            }
                        }
                    } while (prevToken && depth <= 0);
                    iterator.stepForward();
                }

                if (!token) {
                    session.removeMarker(session.$tagHighlight);
                    session.$tagHighlight = null;
                    return;
                }

                var row = iterator.getCurrentTokenRow();
                var column = iterator.getCurrentTokenColumn();
                var range = new Range(row, column, row, column+token.value.length);
                var sbm = session.$backMarkers[session.$tagHighlight];
                if (session.$tagHighlight && sbm != undefined && range.compareRange(sbm.range) !== 0) {
                    session.removeMarker(session.$tagHighlight);
                    session.$tagHighlight = null;
                }

                if (!session.$tagHighlight)
                    session.$tagHighlight = session.addMarker(range, "ace_bracket", "text");
            }, 50);
        };
        this.focus = function() {
            this.textInput.focus();
        };
        this.isFocused = function() {
            return this.textInput.isFocused();
        };
        this.blur = function() {
            this.textInput.blur();
        };
        this.onFocus = function(e) {
            if (this.$isFocused)
                return;
            this.$isFocused = true;
            this.renderer.showCursor();
            this.renderer.visualizeFocus();
            this._emit("focus", e);
        };
        this.onBlur = function(e) {
            if (!this.$isFocused)
                return;
            this.$isFocused = false;
            this.renderer.hideCursor();
            this.renderer.visualizeBlur();
            this._emit("blur", e);
        };

        this.$cursorChange = function() {
            this.renderer.updateCursor();
            this.$highlightBrackets();
            this.$highlightTags();
            this.$updateHighlightActiveLine();
        };
        this.onDocumentChange = function(delta) {
            var wrap = this.session.$useWrapMode;
            var lastRow = (delta.start.row == delta.end.row ? delta.end.row : Infinity);
            this.renderer.updateLines(delta.start.row, lastRow, wrap);

            this._signal("change", delta);
            this.$cursorChange();
        };

        this.onTokenizerUpdate = function(e) {
            var rows = e.data;
            this.renderer.updateLines(rows.first, rows.last);
        };


        this.onScrollTopChange = function() {
            this.renderer.scrollToY(this.session.getScrollTop());
        };

        this.onScrollLeftChange = function() {
            this.renderer.scrollToX(this.session.getScrollLeft());
        };
        this.onCursorChange = function() {
            this.$cursorChange();
            this._signal("changeSelection");
        };

        this.$updateHighlightActiveLine = function() {
            var session = this.getSession();

            var highlight;
            if (this.$highlightActiveLine) {
                if (this.$selectionStyle != "line" || !this.selection.isMultiLine())
                    highlight = this.getCursorPosition();
                if (this.renderer.theme && this.renderer.theme.$selectionColorConflict && !this.selection.isEmpty())
                    highlight = false;
                if (this.renderer.$maxLines && this.session.getLength() === 1 && !(this.renderer.$minLines > 1))
                    highlight = false;
            }

            if (session.$highlightLineMarker && !highlight) {
                session.removeMarker(session.$highlightLineMarker.id);
                session.$highlightLineMarker = null;
            } else if (!session.$highlightLineMarker && highlight) {
                var range = new Range(highlight.row, highlight.column, highlight.row, Infinity);
                range.id = session.addMarker(range, "ace_active-line", "screenLine");
                session.$highlightLineMarker = range;
            } else if (highlight) {
                session.$highlightLineMarker.start.row = highlight.row;
                session.$highlightLineMarker.end.row = highlight.row;
                session.$highlightLineMarker.start.column = highlight.column;
                session._signal("changeBackMarker");
            }
        };

        this.onSelectionChange = function(e) {
            var session = this.session;

            if (session.$selectionMarker) {
                session.removeMarker(session.$selectionMarker);
            }
            session.$selectionMarker = null;

            if (!this.selection.isEmpty()) {
                var range = this.selection.getRange();
                var style = this.getSelectionStyle();
                session.$selectionMarker = session.addMarker(range, "ace_selection", style);
            } else {
                this.$updateHighlightActiveLine();
            }

            var re = this.$highlightSelectedWord && this.$getSelectionHighLightRegexp();
            this.session.highlight(re);

            this._signal("changeSelection");
        };

        this.$getSelectionHighLightRegexp = function() {
            var session = this.session;

            var selection = this.getSelectionRange();
            if (selection.isEmpty() || selection.isMultiLine())
                return;

            var startColumn = selection.start.column;
            var endColumn = selection.end.column;
            var line = session.getLine(selection.start.row);

            var needle = line.substring(startColumn, endColumn);
            if (needle.length > 5000 || !/[\w\d]/.test(needle))
                return;

            var re = this.$search.$assembleRegExp({
                wholeWord: true,
                caseSensitive: true,
                needle: needle
            });

            var wordWithBoundary = line.substring(startColumn - 1, endColumn + 1);
            if (!re.test(wordWithBoundary))
                return;

            return re;
        };


        this.onChangeFrontMarker = function() {
            this.renderer.updateFrontMarkers();
        };

        this.onChangeBackMarker = function() {
            this.renderer.updateBackMarkers();
        };


        this.onChangeBreakpoint = function() {
            this.renderer.updateBreakpoints();
        };

        this.onChangeAnnotation = function() {
            this.renderer.setAnnotations(this.session.getAnnotations());
        };


        this.onChangeMode = function(e) {
            this.renderer.updateText();
            this._emit("changeMode", e);
        };


        this.onChangeWrapLimit = function() {
            this.renderer.updateFull();
        };

        this.onChangeWrapMode = function() {
            this.renderer.onResize(true);
        };


        this.onChangeFold = function() {
            this.$updateHighlightActiveLine();
            this.renderer.updateFull();
        };
        this.getSelectedText = function() {
            return this.session.getTextRange(this.getSelectionRange());
        };
        this.getCopyText = function() {
            var text = this.getSelectedText();
            var nl = this.session.doc.getNewLineCharacter();
            var copyLine= false;
            if (!text && this.$copyWithEmptySelection) {
                copyLine = true;
                var ranges = this.selection.getAllRanges();
                for (var i = 0; i < ranges.length; i++) {
                    var range = ranges[i];
                    if (i && ranges[i - 1].start.row == range.start.row)
                        continue;
                    text += this.session.getLine(range.start.row) + nl;
                }
            }
            var e = {text: text};
            this._signal("copy", e);
            clipboard.lineMode = copyLine ? e.text : false;
            return e.text;
        };
        this.onCopy = function() {
            this.commands.exec("copy", this);
        };
        this.onCut = function() {
            this.commands.exec("cut", this);
        };
        this.onPaste = function(text, event) {
            var e = {text: text, event: event};
            this.commands.exec("paste", this, e);
        };

        this.$handlePaste = function(e) {
            if (typeof e == "string")
                e = {text: e};
            this._signal("paste", e);
            var text = e.text;

            var lineMode = text === clipboard.lineMode;
            var session = this.session;
            if (!this.inMultiSelectMode || this.inVirtualSelectionMode) {
                if (lineMode)
                    session.insert({ row: this.selection.lead.row, column: 0 }, text);
                else
                    this.insert(text);
            } else if (lineMode) {
                this.selection.rangeList.ranges.forEach(function(range) {
                    session.insert({ row: range.start.row, column: 0 }, text);
                });
            } else {
                var lines = text.split(/\r\n|\r|\n/);
                var ranges = this.selection.rangeList.ranges;

                var isFullLine = lines.length == 2 && (!lines[0] || !lines[1]);
                if (lines.length != ranges.length || isFullLine)
                    return this.commands.exec("insertstring", this, text);

                for (var i = ranges.length; i--;) {
                    var range = ranges[i];
                    if (!range.isEmpty())
                        session.remove(range);

                    session.insert(range.start, lines[i]);
                }
            }
        };

        this.execCommand = function(command, args) {
            return this.commands.exec(command, this, args);
        };
        this.insert = function(text, pasted) {
            var session = this.session;
            var mode = session.getMode();
            var cursor = this.getCursorPosition();

            if (this.getBehavioursEnabled() && !pasted) {
                var transform = mode.transformAction(session.getState(cursor.row), 'insertion', this, session, text);
                if (transform) {
                    if (text !== transform.text) {
                        if (!this.inVirtualSelectionMode) {
                            this.session.mergeUndoDeltas = false;
                            this.mergeNextCommand = false;
                        }
                    }
                    text = transform.text;

                }
            }

            if (text == "\t")
                text = this.session.getTabString();
            if (!this.selection.isEmpty()) {
                var range = this.getSelectionRange();
                cursor = this.session.remove(range);
                this.clearSelection();
            }
            else if (this.session.getOverwrite() && text.indexOf("\n") == -1) {
                var range = new Range.fromPoints(cursor, cursor);
                range.end.column += text.length;
                this.session.remove(range);
            }

            if (text == "\n" || text == "\r\n") {
                var line = session.getLine(cursor.row);
                if (cursor.column > line.search(/\S|$/)) {
                    var d = line.substr(cursor.column).search(/\S|$/);
                    session.doc.removeInLine(cursor.row, cursor.column, cursor.column + d);
                }
            }
            this.clearSelection();

            var start = cursor.column;
            var lineState = session.getState(cursor.row);
            var line = session.getLine(cursor.row);
            var shouldOutdent = mode.checkOutdent(lineState, line, text);
            session.insert(cursor, text);

            if (transform && transform.selection) {
                if (transform.selection.length == 2) { // Transform relative to the current column
                    this.selection.setSelectionRange(
                        new Range(cursor.row, start + transform.selection[0],
                            cursor.row, start + transform.selection[1]));
                } else { // Transform relative to the current row.
                    this.selection.setSelectionRange(
                        new Range(cursor.row + transform.selection[0],
                            transform.selection[1],
                            cursor.row + transform.selection[2],
                            transform.selection[3]));
                }
            }
            if (this.$enableAutoIndent) {
                if (session.getDocument().isNewLine(text)) {
                    var lineIndent = mode.getNextLineIndent(lineState, line.slice(0, cursor.column), session.getTabString());

                    session.insert({row: cursor.row+1, column: 0}, lineIndent);
                }
                if (shouldOutdent)
                    mode.autoOutdent(lineState, session, cursor.row);
            }
        };

        this.autoIndent = function () {
            var session = this.session;
            var mode = session.getMode();

            var startRow, endRow;
            if (this.selection.isEmpty()) {
                startRow = 0;
                endRow = session.doc.getLength() - 1;
            } else {
                var selectedRange = this.getSelectionRange();

                startRow = selectedRange.start.row;
                endRow = selectedRange.end.row;
            }

            var prevLineState = "";
            var prevLine = "";
            var lineIndent = "";
            var line, currIndent, range;
            var tab = session.getTabString();

            for (var row = startRow; row <= endRow; row++) {
                if (row > 0) {
                    prevLineState = session.getState(row - 1);
                    prevLine = session.getLine(row - 1);
                    lineIndent = mode.getNextLineIndent(prevLineState, prevLine, tab);
                }

                line = session.getLine(row);
                currIndent = mode.$getIndent(line);
                if (lineIndent !== currIndent) {
                    if (currIndent.length > 0) {
                        range = new Range(row, 0, row, currIndent.length);
                        session.remove(range);
                    }
                    if (lineIndent.length > 0) {
                        session.insert({row: row, column: 0}, lineIndent);
                    }
                }

                mode.autoOutdent(prevLineState, session, row);
            }
        };


        this.onTextInput = function(text, composition) {
            if (!composition)
                return this.keyBinding.onTextInput(text);

            this.startOperation({command: { name: "insertstring" }});
            var applyComposition = this.applyComposition.bind(this, text, composition);
            if (this.selection.rangeCount)
                this.forEachSelection(applyComposition);
            else
                applyComposition();
            this.endOperation();
        };

        this.applyComposition = function(text, composition) {
            if (composition.extendLeft || composition.extendRight) {
                var r = this.selection.getRange();
                r.start.column -= composition.extendLeft;
                r.end.column += composition.extendRight;
                if (r.start.column < 0) {
                    r.start.row--;
                    r.start.column += this.session.getLine(r.start.row).length + 1;
                }
                this.selection.setRange(r);
                if (!text && !r.isEmpty())
                    this.remove();
            }
            if (text || !this.selection.isEmpty())
                this.insert(text, true);
            if (composition.restoreStart || composition.restoreEnd) {
                var r = this.selection.getRange();
                r.start.column -= composition.restoreStart;
                r.end.column -= composition.restoreEnd;
                this.selection.setRange(r);
            }
        };

        this.onCommandKey = function(e, hashId, keyCode) {
            return this.keyBinding.onCommandKey(e, hashId, keyCode);
        };
        this.setOverwrite = function(overwrite) {
            this.session.setOverwrite(overwrite);
        };
        this.getOverwrite = function() {
            return this.session.getOverwrite();
        };
        this.toggleOverwrite = function() {
            this.session.toggleOverwrite();
        };
        this.setScrollSpeed = function(speed) {
            this.setOption("scrollSpeed", speed);
        };
        this.getScrollSpeed = function() {
            return this.getOption("scrollSpeed");
        };
        this.setDragDelay = function(dragDelay) {
            this.setOption("dragDelay", dragDelay);
        };
        this.getDragDelay = function() {
            return this.getOption("dragDelay");
        };
        this.setSelectionStyle = function(val) {
            this.setOption("selectionStyle", val);
        };
        this.getSelectionStyle = function() {
            return this.getOption("selectionStyle");
        };
        this.setHighlightActiveLine = function(shouldHighlight) {
            this.setOption("highlightActiveLine", shouldHighlight);
        };
        this.getHighlightActiveLine = function() {
            return this.getOption("highlightActiveLine");
        };
        this.setHighlightGutterLine = function(shouldHighlight) {
            this.setOption("highlightGutterLine", shouldHighlight);
        };

        this.getHighlightGutterLine = function() {
            return this.getOption("highlightGutterLine");
        };
        this.setHighlightSelectedWord = function(shouldHighlight) {
            this.setOption("highlightSelectedWord", shouldHighlight);
        };
        this.getHighlightSelectedWord = function() {
            return this.$highlightSelectedWord;
        };

        this.setAnimatedScroll = function(shouldAnimate){
            this.renderer.setAnimatedScroll(shouldAnimate);
        };

        this.getAnimatedScroll = function(){
            return this.renderer.getAnimatedScroll();
        };
        this.setShowInvisibles = function(showInvisibles) {
            this.renderer.setShowInvisibles(showInvisibles);
        };
        this.getShowInvisibles = function() {
            return this.renderer.getShowInvisibles();
        };

        this.setDisplayIndentGuides = function(display) {
            this.renderer.setDisplayIndentGuides(display);
        };

        this.getDisplayIndentGuides = function() {
            return this.renderer.getDisplayIndentGuides();
        };
        this.setShowPrintMargin = function(showPrintMargin) {
            this.renderer.setShowPrintMargin(showPrintMargin);
        };
        this.getShowPrintMargin = function() {
            return this.renderer.getShowPrintMargin();
        };
        this.setPrintMarginColumn = function(showPrintMargin) {
            this.renderer.setPrintMarginColumn(showPrintMargin);
        };
        this.getPrintMarginColumn = function() {
            return this.renderer.getPrintMarginColumn();
        };
        this.setReadOnly = function(readOnly) {
            this.setOption("readOnly", readOnly);
        };
        this.getReadOnly = function() {
            return this.getOption("readOnly");
        };
        this.setBehavioursEnabled = function (enabled) {
            this.setOption("behavioursEnabled", enabled);
        };
        this.getBehavioursEnabled = function () {
            return this.getOption("behavioursEnabled");
        };
        this.setWrapBehavioursEnabled = function (enabled) {
            this.setOption("wrapBehavioursEnabled", enabled);
        };
        this.getWrapBehavioursEnabled = function () {
            return this.getOption("wrapBehavioursEnabled");
        };
        this.setShowFoldWidgets = function(show) {
            this.setOption("showFoldWidgets", show);

        };
        this.getShowFoldWidgets = function() {
            return this.getOption("showFoldWidgets");
        };

        this.setFadeFoldWidgets = function(fade) {
            this.setOption("fadeFoldWidgets", fade);
        };

        this.getFadeFoldWidgets = function() {
            return this.getOption("fadeFoldWidgets");
        };
        this.remove = function(dir) {
            if (this.selection.isEmpty()){
                if (dir == "left")
                    this.selection.selectLeft();
                else
                    this.selection.selectRight();
            }

            var range = this.getSelectionRange();
            if (this.getBehavioursEnabled()) {
                var session = this.session;
                var state = session.getState(range.start.row);
                var new_range = session.getMode().transformAction(state, 'deletion', this, session, range);

                if (range.end.column === 0) {
                    var text = session.getTextRange(range);
                    if (text[text.length - 1] == "\n") {
                        var line = session.getLine(range.end.row);
                        if (/^\s+$/.test(line)) {
                            range.end.column = line.length;
                        }
                    }
                }
                if (new_range)
                    range = new_range;
            }

            this.session.remove(range);
            this.clearSelection();
        };
        this.removeWordRight = function() {
            if (this.selection.isEmpty())
                this.selection.selectWordRight();

            this.session.remove(this.getSelectionRange());
            this.clearSelection();
        };
        this.removeWordLeft = function() {
            if (this.selection.isEmpty())
                this.selection.selectWordLeft();

            this.session.remove(this.getSelectionRange());
            this.clearSelection();
        };
        this.removeToLineStart = function() {
            if (this.selection.isEmpty())
                this.selection.selectLineStart();
            if (this.selection.isEmpty())
                this.selection.selectLeft();
            this.session.remove(this.getSelectionRange());
            this.clearSelection();
        };
        this.removeToLineEnd = function() {
            if (this.selection.isEmpty())
                this.selection.selectLineEnd();

            var range = this.getSelectionRange();
            if (range.start.column == range.end.column && range.start.row == range.end.row) {
                range.end.column = 0;
                range.end.row++;
            }

            this.session.remove(range);
            this.clearSelection();
        };
        this.splitLine = function() {
            if (!this.selection.isEmpty()) {
                this.session.remove(this.getSelectionRange());
                this.clearSelection();
            }

            var cursor = this.getCursorPosition();
            this.insert("\n");
            this.moveCursorToPosition(cursor);
        };
        this.transposeLetters = function() {
            if (!this.selection.isEmpty()) {
                return;
            }

            var cursor = this.getCursorPosition();
            var column = cursor.column;
            if (column === 0)
                return;

            var line = this.session.getLine(cursor.row);
            var swap, range;
            if (column < line.length) {
                swap = line.charAt(column) + line.charAt(column-1);
                range = new Range(cursor.row, column-1, cursor.row, column+1);
            }
            else {
                swap = line.charAt(column-1) + line.charAt(column-2);
                range = new Range(cursor.row, column-2, cursor.row, column);
            }
            this.session.replace(range, swap);
            this.session.selection.moveToPosition(range.end);
        };
        this.toLowerCase = function() {
            var originalRange = this.getSelectionRange();
            if (this.selection.isEmpty()) {
                this.selection.selectWord();
            }

            var range = this.getSelectionRange();
            var text = this.session.getTextRange(range);
            this.session.replace(range, text.toLowerCase());
            this.selection.setSelectionRange(originalRange);
        };
        this.toUpperCase = function() {
            var originalRange = this.getSelectionRange();
            if (this.selection.isEmpty()) {
                this.selection.selectWord();
            }

            var range = this.getSelectionRange();
            var text = this.session.getTextRange(range);
            this.session.replace(range, text.toUpperCase());
            this.selection.setSelectionRange(originalRange);
        };
        this.indent = function() {
            var session = this.session;
            var range = this.getSelectionRange();

            if (range.start.row < range.end.row) {
                var rows = this.$getSelectedRows();
                session.indentRows(rows.first, rows.last, "\t");
                return;
            } else if (range.start.column < range.end.column) {
                var text = session.getTextRange(range);
                if (!/^\s+$/.test(text)) {
                    var rows = this.$getSelectedRows();
                    session.indentRows(rows.first, rows.last, "\t");
                    return;
                }
            }

            var line = session.getLine(range.start.row);
            var position = range.start;
            var size = session.getTabSize();
            var column = session.documentToScreenColumn(position.row, position.column);

            if (this.session.getUseSoftTabs()) {
                var count = (size - column % size);
                var indentString = lang.stringRepeat(" ", count);
            } else {
                var count = column % size;
                while (line[range.start.column - 1] == " " && count) {
                    range.start.column--;
                    count--;
                }
                this.selection.setSelectionRange(range);
                indentString = "\t";
            }
            return this.insert(indentString);
        };
        this.blockIndent = function() {
            var rows = this.$getSelectedRows();
            this.session.indentRows(rows.first, rows.last, "\t");
        };
        this.blockOutdent = function() {
            var selection = this.session.getSelection();
            this.session.outdentRows(selection.getRange());
        };
        this.sortLines = function() {
            var rows = this.$getSelectedRows();
            var session = this.session;

            var lines = [];
            for (var i = rows.first; i <= rows.last; i++)
                lines.push(session.getLine(i));

            lines.sort(function(a, b) {
                if (a.toLowerCase() < b.toLowerCase()) return -1;
                if (a.toLowerCase() > b.toLowerCase()) return 1;
                return 0;
            });

            var deleteRange = new Range(0, 0, 0, 0);
            for (var i = rows.first; i <= rows.last; i++) {
                var line = session.getLine(i);
                deleteRange.start.row = i;
                deleteRange.end.row = i;
                deleteRange.end.column = line.length;
                session.replace(deleteRange, lines[i-rows.first]);
            }
        };
        this.toggleCommentLines = function() {
            var state = this.session.getState(this.getCursorPosition().row);
            var rows = this.$getSelectedRows();
            this.session.getMode().toggleCommentLines(state, this.session, rows.first, rows.last);
        };

        this.toggleBlockComment = function() {
            var cursor = this.getCursorPosition();
            var state = this.session.getState(cursor.row);
            var range = this.getSelectionRange();
            this.session.getMode().toggleBlockComment(state, this.session, range, cursor);
        };
        this.getNumberAt = function(row, column) {
            var _numberRx = /[\-]?[0-9]+(?:\.[0-9]+)?/g;
            _numberRx.lastIndex = 0;

            var s = this.session.getLine(row);
            while (_numberRx.lastIndex < column) {
                var m = _numberRx.exec(s);
                if(m.index <= column && m.index+m[0].length >= column){
                    var number = {
                        value: m[0],
                        start: m.index,
                        end: m.index+m[0].length
                    };
                    return number;
                }
            }
            return null;
        };
        this.modifyNumber = function(amount) {
            var row = this.selection.getCursor().row;
            var column = this.selection.getCursor().column;
            var charRange = new Range(row, column-1, row, column);

            var c = this.session.getTextRange(charRange);
            if (!isNaN(parseFloat(c)) && isFinite(c)) {
                var nr = this.getNumberAt(row, column);
                if (nr) {
                    var fp = nr.value.indexOf(".") >= 0 ? nr.start + nr.value.indexOf(".") + 1 : nr.end;
                    var decimals = nr.start + nr.value.length - fp;

                    var t = parseFloat(nr.value);
                    t *= Math.pow(10, decimals);


                    if(fp !== nr.end && column < fp){
                        amount *= Math.pow(10, nr.end - column - 1);
                    } else {
                        amount *= Math.pow(10, nr.end - column);
                    }

                    t += amount;
                    t /= Math.pow(10, decimals);
                    var nnr = t.toFixed(decimals);
                    var replaceRange = new Range(row, nr.start, row, nr.end);
                    this.session.replace(replaceRange, nnr);
                    this.moveCursorTo(row, Math.max(nr.start +1, column + nnr.length - nr.value.length));

                }
            } else {
                this.toggleWord();
            }
        };

        this.$toggleWordPairs = [
            ["first", "last"],
            ["true", "false"],
            ["yes", "no"],
            ["width", "height"],
            ["top", "bottom"],
            ["right", "left"],
            ["on", "off"],
            ["x", "y"],
            ["get", "set"],
            ["max", "min"],
            ["horizontal", "vertical"],
            ["show", "hide"],
            ["add", "remove"],
            ["up", "down"],
            ["before", "after"],
            ["even", "odd"],
            ["in", "out"],
            ["inside", "outside"],
            ["next", "previous"],
            ["increase", "decrease"],
            ["attach", "detach"],
            ["&&", "||"],
            ["==", "!="]
        ];

        this.toggleWord = function () {
            var row = this.selection.getCursor().row;
            var column = this.selection.getCursor().column;
            this.selection.selectWord();
            var currentState = this.getSelectedText();
            var currWordStart = this.selection.getWordRange().start.column;
            var wordParts = currentState.replace(/([a-z]+|[A-Z]+)(?=[A-Z_]|$)/g, '$1 ').split(/\s/);
            var delta = column - currWordStart - 1;
            if (delta < 0) delta = 0;
            var curLength = 0, itLength = 0;
            var that = this;
            if (currentState.match(/[A-Za-z0-9_]+/)) {
                wordParts.forEach(function (item, i) {
                    itLength = curLength + item.length;
                    if (delta >= curLength && delta <= itLength) {
                        currentState = item;
                        that.selection.clearSelection();
                        that.moveCursorTo(row, curLength + currWordStart);
                        that.selection.selectTo(row, itLength + currWordStart);
                    }
                    curLength = itLength;
                });
            }

            var wordPairs = this.$toggleWordPairs;
            var reg;
            for (var i = 0; i < wordPairs.length; i++) {
                var item = wordPairs[i];
                for (var j = 0; j <= 1; j++) {
                    var negate = +!j;
                    var firstCondition = currentState.match(new RegExp('^\\s?_?(' + lang.escapeRegExp(item[j]) + ')\\s?$', 'i'));
                    if (firstCondition) {
                        var secondCondition = currentState.match(new RegExp('([_]|^|\\s)(' + lang.escapeRegExp(firstCondition[1]) + ')($|\\s)', 'g'));
                        if (secondCondition) {
                            reg = currentState.replace(new RegExp(lang.escapeRegExp(item[j]), 'i'), function (result) {
                                var res = item[negate];
                                if (result.toUpperCase() == result) {
                                    res = res.toUpperCase();
                                } else if (result.charAt(0).toUpperCase() == result.charAt(0)) {
                                    res = res.substr(0, 0) + item[negate].charAt(0).toUpperCase() + res.substr(1);
                                }
                                return res;
                            });
                            this.insert(reg);
                            reg = "";
                        }
                    }
                }
            }
        };
        this.removeLines = function() {
            var rows = this.$getSelectedRows();
            this.session.removeFullLines(rows.first, rows.last);
            this.clearSelection();
        };

        this.duplicateSelection = function() {
            var sel = this.selection;
            var doc = this.session;
            var range = sel.getRange();
            var reverse = sel.isBackwards();
            if (range.isEmpty()) {
                var row = range.start.row;
                doc.duplicateLines(row, row);
            } else {
                var point = reverse ? range.start : range.end;
                var endPoint = doc.insert(point, doc.getTextRange(range), false);
                range.start = point;
                range.end = endPoint;

                sel.setSelectionRange(range, reverse);
            }
        };
        this.moveLinesDown = function() {
            this.$moveLines(1, false);
        };
        this.moveLinesUp = function() {
            this.$moveLines(-1, false);
        };
        this.moveText = function(range, toPosition, copy) {
            return this.session.moveText(range, toPosition, copy);
        };
        this.copyLinesUp = function() {
            this.$moveLines(-1, true);
        };
        this.copyLinesDown = function() {
            this.$moveLines(1, true);
        };
        this.$moveLines = function(dir, copy) {
            var rows, moved;
            var selection = this.selection;
            if (!selection.inMultiSelectMode || this.inVirtualSelectionMode) {
                var range = selection.toOrientedRange();
                rows = this.$getSelectedRows(range);
                moved = this.session.$moveLines(rows.first, rows.last, copy ? 0 : dir);
                if (copy && dir == -1) moved = 0;
                range.moveBy(moved, 0);
                selection.fromOrientedRange(range);
            } else {
                var ranges = selection.rangeList.ranges;
                selection.rangeList.detach(this.session);
                this.inVirtualSelectionMode = true;

                var diff = 0;
                var totalDiff = 0;
                var l = ranges.length;
                for (var i = 0; i < l; i++) {
                    var rangeIndex = i;
                    ranges[i].moveBy(diff, 0);
                    rows = this.$getSelectedRows(ranges[i]);
                    var first = rows.first;
                    var last = rows.last;
                    while (++i < l) {
                        if (totalDiff) ranges[i].moveBy(totalDiff, 0);
                        var subRows = this.$getSelectedRows(ranges[i]);
                        if (copy && subRows.first != last)
                            break;
                        else if (!copy && subRows.first > last + 1)
                            break;
                        last = subRows.last;
                    }
                    i--;
                    diff = this.session.$moveLines(first, last, copy ? 0 : dir);
                    if (copy && dir == -1) rangeIndex = i + 1;
                    while (rangeIndex <= i) {
                        ranges[rangeIndex].moveBy(diff, 0);
                        rangeIndex++;
                    }
                    if (!copy) diff = 0;
                    totalDiff += diff;
                }

                selection.fromOrientedRange(selection.ranges[0]);
                selection.rangeList.attach(this.session);
                this.inVirtualSelectionMode = false;
            }
        };
        this.$getSelectedRows = function(range) {
            range = (range || this.getSelectionRange()).collapseRows();

            return {
                first: this.session.getRowFoldStart(range.start.row),
                last: this.session.getRowFoldEnd(range.end.row)
            };
        };

        this.onCompositionStart = function(compositionState) {
            this.renderer.showComposition(compositionState);
        };

        this.onCompositionUpdate = function(text) {
            this.renderer.setCompositionText(text);
        };

        this.onCompositionEnd = function() {
            this.renderer.hideComposition();
        };
        this.getFirstVisibleRow = function() {
            return this.renderer.getFirstVisibleRow();
        };
        this.getLastVisibleRow = function() {
            return this.renderer.getLastVisibleRow();
        };
        this.isRowVisible = function(row) {
            return (row >= this.getFirstVisibleRow() && row <= this.getLastVisibleRow());
        };
        this.isRowFullyVisible = function(row) {
            return (row >= this.renderer.getFirstFullyVisibleRow() && row <= this.renderer.getLastFullyVisibleRow());
        };
        this.$getVisibleRowCount = function() {
            return this.renderer.getScrollBottomRow() - this.renderer.getScrollTopRow() + 1;
        };

        this.$moveByPage = function(dir, select) {
            var renderer = this.renderer;
            var config = this.renderer.layerConfig;
            var rows = dir * Math.floor(config.height / config.lineHeight);

            if (select === true) {
                this.selection.$moveSelection(function(){
                    this.moveCursorBy(rows, 0);
                });
            } else if (select === false) {
                this.selection.moveCursorBy(rows, 0);
                this.selection.clearSelection();
            }

            var scrollTop = renderer.scrollTop;

            renderer.scrollBy(0, rows * config.lineHeight);
            if (select != null)
                renderer.scrollCursorIntoView(null, 0.5);

            renderer.animateScrolling(scrollTop);
        };
        this.selectPageDown = function() {
            this.$moveByPage(1, true);
        };
        this.selectPageUp = function() {
            this.$moveByPage(-1, true);
        };
        this.gotoPageDown = function() {
            this.$moveByPage(1, false);
        };
        this.gotoPageUp = function() {
            this.$moveByPage(-1, false);
        };
        this.scrollPageDown = function() {
            this.$moveByPage(1);
        };
        this.scrollPageUp = function() {
            this.$moveByPage(-1);
        };
        this.scrollToRow = function(row) {
            this.renderer.scrollToRow(row);
        };
        this.scrollToLine = function(line, center, animate, callback) {
            this.renderer.scrollToLine(line, center, animate, callback);
        };
        this.centerSelection = function() {
            var range = this.getSelectionRange();
            var pos = {
                row: Math.floor(range.start.row + (range.end.row - range.start.row) / 2),
                column: Math.floor(range.start.column + (range.end.column - range.start.column) / 2)
            };
            this.renderer.alignCursor(pos, 0.5);
        };
        this.getCursorPosition = function() {
            return this.selection.getCursor();
        };
        this.getCursorPositionScreen = function() {
            return this.session.documentToScreenPosition(this.getCursorPosition());
        };
        this.getSelectionRange = function() {
            return this.selection.getRange();
        };
        this.selectAll = function() {
            this.selection.selectAll();
        };
        this.clearSelection = function() {
            this.selection.clearSelection();
        };
        this.moveCursorTo = function(row, column) {
            this.selection.moveCursorTo(row, column);
        };
        this.moveCursorToPosition = function(pos) {
            this.selection.moveCursorToPosition(pos);
        };
        this.jumpToMatching = function(select, expand) {
            var cursor = this.getCursorPosition();
            var iterator = new TokenIterator(this.session, cursor.row, cursor.column);
            var prevToken = iterator.getCurrentToken();
            var token = prevToken || iterator.stepForward();

            if (!token) return;
            var matchType;
            var found = false;
            var depth = {};
            var i = cursor.column - token.start;
            var bracketType;
            var brackets = {
                ")": "(",
                "(": "(",
                "]": "[",
                "[": "[",
                "{": "{",
                "}": "{"
            };

            do {
                if (token.value.match(/[{}()\[\]]/g)) {
                    for (; i < token.value.length && !found; i++) {
                        if (!brackets[token.value[i]]) {
                            continue;
                        }

                        bracketType = brackets[token.value[i]] + '.' + token.type.replace("rparen", "lparen");

                        if (isNaN(depth[bracketType])) {
                            depth[bracketType] = 0;
                        }

                        switch (token.value[i]) {
                            case '(':
                            case '[':
                            case '{':
                                depth[bracketType]++;
                                break;
                            case ')':
                            case ']':
                            case '}':
                                depth[bracketType]--;

                                if (depth[bracketType] === -1) {
                                    matchType = 'bracket';
                                    found = true;
                                }
                                break;
                        }
                    }
                }
                else if (token.type.indexOf('tag-name') !== -1) {
                    if (isNaN(depth[token.value])) {
                        depth[token.value] = 0;
                    }

                    if (prevToken.value === '<') {
                        depth[token.value]++;
                    }
                    else if (prevToken.value === '</') {
                        depth[token.value]--;
                    }

                    if (depth[token.value] === -1) {
                        matchType = 'tag';
                        found = true;
                    }
                }

                if (!found) {
                    prevToken = token;
                    token = iterator.stepForward();
                    i = 0;
                }
            } while (token && !found);
            if (!matchType)
                return;

            var range, pos;
            if (matchType === 'bracket') {
                range = this.session.getBracketRange(cursor);
                if (!range) {
                    range = new Range(
                        iterator.getCurrentTokenRow(),
                        iterator.getCurrentTokenColumn() + i - 1,
                        iterator.getCurrentTokenRow(),
                        iterator.getCurrentTokenColumn() + i - 1
                    );
                    pos = range.start;
                    if (expand || pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)
                        range = this.session.getBracketRange(pos);
                }
            }
            else if (matchType === 'tag') {
                if (token && token.type.indexOf('tag-name') !== -1)
                    var tag = token.value;
                else
                    return;

                range = new Range(
                    iterator.getCurrentTokenRow(),
                    iterator.getCurrentTokenColumn() - 2,
                    iterator.getCurrentTokenRow(),
                    iterator.getCurrentTokenColumn() - 2
                );
                if (range.compare(cursor.row, cursor.column) === 0) {
                    found = false;
                    do {
                        token = prevToken;
                        prevToken = iterator.stepBackward();

                        if (prevToken) {
                            if (prevToken.type.indexOf('tag-close') !== -1) {
                                range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn() + 1);
                            }

                            if (token.value === tag && token.type.indexOf('tag-name') !== -1) {
                                if (prevToken.value === '<') {
                                    depth[tag]++;
                                }
                                else if (prevToken.value === '</') {
                                    depth[tag]--;
                                }

                                if (depth[tag] === 0)
                                    found = true;
                            }
                        }
                    } while (prevToken && !found);
                }
                if (token && token.type.indexOf('tag-name')) {
                    pos = range.start;
                    if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
                        pos = range.end;
                }
            }

            pos = range && range.cursor || pos;
            if (pos) {
                if (select) {
                    if (range && expand) {
                        this.selection.setRange(range);
                    } else if (range && range.isEqual(this.getSelectionRange())) {
                        this.clearSelection();
                    } else {
                        this.selection.selectTo(pos.row, pos.column);
                    }
                } else {
                    this.selection.moveTo(pos.row, pos.column);
                }
            }
        };
        this.gotoLine = function(lineNumber, column, animate) {
            this.selection.clearSelection();
            this.session.unfold({row: lineNumber - 1, column: column || 0});
            this.exitMultiSelectMode && this.exitMultiSelectMode();
            this.moveCursorTo(lineNumber - 1, column || 0);

            if (!this.isRowFullyVisible(lineNumber - 1))
                this.scrollToLine(lineNumber - 1, true, animate);
        };
        this.navigateTo = function(row, column) {
            this.selection.moveTo(row, column);
        };
        this.navigateUp = function(times) {
            if (this.selection.isMultiLine() && !this.selection.isBackwards()) {
                var selectionStart = this.selection.anchor.getPosition();
                return this.moveCursorToPosition(selectionStart);
            }
            this.selection.clearSelection();
            this.selection.moveCursorBy(-times || -1, 0);
        };
        this.navigateDown = function(times) {
            if (this.selection.isMultiLine() && this.selection.isBackwards()) {
                var selectionEnd = this.selection.anchor.getPosition();
                return this.moveCursorToPosition(selectionEnd);
            }
            this.selection.clearSelection();
            this.selection.moveCursorBy(times || 1, 0);
        };
        this.navigateLeft = function(times) {
            if (!this.selection.isEmpty()) {
                var selectionStart = this.getSelectionRange().start;
                this.moveCursorToPosition(selectionStart);
            }
            else {
                times = times || 1;
                while (times--) {
                    this.selection.moveCursorLeft();
                }
            }
            this.clearSelection();
        };
        this.navigateRight = function(times) {
            if (!this.selection.isEmpty()) {
                var selectionEnd = this.getSelectionRange().end;
                this.moveCursorToPosition(selectionEnd);
            }
            else {
                times = times || 1;
                while (times--) {
                    this.selection.moveCursorRight();
                }
            }
            this.clearSelection();
        };
        this.navigateLineStart = function() {
            this.selection.moveCursorLineStart();
            this.clearSelection();
        };
        this.navigateLineEnd = function() {
            this.selection.moveCursorLineEnd();
            this.clearSelection();
        };
        this.navigateFileEnd = function() {
            this.selection.moveCursorFileEnd();
            this.clearSelection();
        };
        this.navigateFileStart = function() {
            this.selection.moveCursorFileStart();
            this.clearSelection();
        };
        this.navigateWordRight = function() {
            this.selection.moveCursorWordRight();
            this.clearSelection();
        };
        this.navigateWordLeft = function() {
            this.selection.moveCursorWordLeft();
            this.clearSelection();
        };
        this.replace = function(replacement, options) {
            if (options)
                this.$search.set(options);

            var range = this.$search.find(this.session);
            var replaced = 0;
            if (!range)
                return replaced;

            if (this.$tryReplace(range, replacement)) {
                replaced = 1;
            }

            this.selection.setSelectionRange(range);
            this.renderer.scrollSelectionIntoView(range.start, range.end);

            return replaced;
        };
        this.replaceAll = function(replacement, options) {
            if (options) {
                this.$search.set(options);
            }

            var ranges = this.$search.findAll(this.session);
            var replaced = 0;
            if (!ranges.length)
                return replaced;

            var selection = this.getSelectionRange();
            this.selection.moveTo(0, 0);

            for (var i = ranges.length - 1; i >= 0; --i) {
                if(this.$tryReplace(ranges[i], replacement)) {
                    replaced++;
                }
            }

            this.selection.setSelectionRange(selection);

            return replaced;
        };

        this.$tryReplace = function(range, replacement) {
            var input = this.session.getTextRange(range);
            replacement = this.$search.replace(input, replacement);
            if (replacement !== null) {
                range.end = this.session.replace(range, replacement);
                return range;
            } else {
                return null;
            }
        };
        this.getLastSearchOptions = function() {
            return this.$search.getOptions();
        };
        this.find = function(needle, options, animate) {
            if (!options)
                options = {};

            if (typeof needle == "string" || needle instanceof RegExp)
                options.needle = needle;
            else if (typeof needle == "object")
                oop.mixin(options, needle);

            var range = this.selection.getRange();
            if (options.needle == null) {
                needle = this.session.getTextRange(range)
                    || this.$search.$options.needle;
                if (!needle) {
                    range = this.session.getWordRange(range.start.row, range.start.column);
                    needle = this.session.getTextRange(range);
                }
                this.$search.set({needle: needle});
            }

            this.$search.set(options);
            if (!options.start)
                this.$search.set({start: range});

            var newRange = this.$search.find(this.session);
            if (options.preventScroll)
                return newRange;
            if (newRange) {
                this.revealRange(newRange, animate);
                return newRange;
            }
            if (options.backwards)
                range.start = range.end;
            else
                range.end = range.start;
            this.selection.setRange(range);
        };
        this.findNext = function(options, animate) {
            this.find({skipCurrent: true, backwards: false}, options, animate);
        };
        this.findPrevious = function(options, animate) {
            this.find(options, {skipCurrent: true, backwards: true}, animate);
        };

        this.revealRange = function(range, animate) {
            this.session.unfold(range);
            this.selection.setSelectionRange(range);

            var scrollTop = this.renderer.scrollTop;
            this.renderer.scrollSelectionIntoView(range.start, range.end, 0.5);
            if (animate !== false)
                this.renderer.animateScrolling(scrollTop);
        };
        this.undo = function() {
            this.session.getUndoManager().undo(this.session);
            this.renderer.scrollCursorIntoView(null, 0.5);
        };
        this.redo = function() {
            this.session.getUndoManager().redo(this.session);
            this.renderer.scrollCursorIntoView(null, 0.5);
        };
        this.destroy = function() {
            if (this.$toDestroy) {
                this.$toDestroy.forEach(function(el) {
                    el.destroy();
                });
                this.$toDestroy = null;
            }
            if (this.$mouseHandler)
                this.$mouseHandler.destroy();
            this.renderer.destroy();
            this._signal("destroy", this);
            if (this.session)
                this.session.destroy();
            if (this._$emitInputEvent)
                this._$emitInputEvent.cancel();
            this.removeAllListeners();
        };
        this.setAutoScrollEditorIntoView = function(enable) {
            if (!enable)
                return;
            var rect;
            var self = this;
            var shouldScroll = false;
            if (!this.$scrollAnchor)
                this.$scrollAnchor = document.createElement("div");
            var scrollAnchor = this.$scrollAnchor;
            scrollAnchor.style.cssText = "position:absolute";
            this.container.insertBefore(scrollAnchor, this.container.firstChild);
            var onChangeSelection = this.on("changeSelection", function() {
                shouldScroll = true;
            });
            var onBeforeRender = this.renderer.on("beforeRender", function() {
                if (shouldScroll)
                    rect = self.renderer.container.getBoundingClientRect();
            });
            var onAfterRender = this.renderer.on("afterRender", function() {
                if (shouldScroll && rect && (self.isFocused()
                    || self.searchBox && self.searchBox.isFocused())
                ) {
                    var renderer = self.renderer;
                    var pos = renderer.$cursorLayer.$pixelPos;
                    var config = renderer.layerConfig;
                    var top = pos.top - config.offset;
                    if (pos.top >= 0 && top + rect.top < 0) {
                        shouldScroll = true;
                    } else if (pos.top < config.height &&
                        pos.top + rect.top + config.lineHeight > window.innerHeight) {
                        shouldScroll = false;
                    } else {
                        shouldScroll = null;
                    }
                    if (shouldScroll != null) {
                        scrollAnchor.style.top = top + "px";
                        scrollAnchor.style.left = pos.left + "px";
                        scrollAnchor.style.height = config.lineHeight + "px";
                        scrollAnchor.scrollIntoView(shouldScroll);
                    }
                    shouldScroll = rect = null;
                }
            });
            this.setAutoScrollEditorIntoView = function(enable) {
                if (enable)
                    return;
                delete this.setAutoScrollEditorIntoView;
                this.off("changeSelection", onChangeSelection);
                this.renderer.off("afterRender", onAfterRender);
                this.renderer.off("beforeRender", onBeforeRender);
            };
        };


        this.$resetCursorStyle = function() {
            var style = this.$cursorStyle || "ace";
            var cursorLayer = this.renderer.$cursorLayer;
            if (!cursorLayer)
                return;
            cursorLayer.setSmoothBlinking(/smooth/.test(style));
            cursorLayer.isBlinking = !this.$readOnly && style != "wide";
            dom.setCssClass(cursorLayer.element, "ace_slim-cursors", /slim/.test(style));
        };
        this.prompt = function(message, options, callback) {
            var editor = this;
            config.loadModule("./ext/prompt", function (module) {
                module.prompt(editor, message, options, callback);
            });
        };

    }).call(Editor.prototype);



    config.defineOptions(Editor.prototype, "editor", {
        selectionStyle: {
            set: function(style) {
                this.onSelectionChange();
                this._signal("changeSelectionStyle", {data: style});
            },
            initialValue: "line"
        },
        highlightActiveLine: {
            set: function() {this.$updateHighlightActiveLine();},
            initialValue: true
        },
        highlightSelectedWord: {
            set: function(shouldHighlight) {this.$onSelectionChange();},
            initialValue: true
        },
        readOnly: {
            set: function(readOnly) {
                this.textInput.setReadOnly(readOnly);
                this.$resetCursorStyle();
            },
            initialValue: false
        },
        copyWithEmptySelection: {
            set: function(value) {
                this.textInput.setCopyWithEmptySelection(value);
            },
            initialValue: false
        },
        cursorStyle: {
            set: function(val) { this.$resetCursorStyle(); },
            values: ["ace", "slim", "smooth", "wide"],
            initialValue: "ace"
        },
        mergeUndoDeltas: {
            values: [false, true, "always"],
            initialValue: true
        },
        behavioursEnabled: {initialValue: true},
        wrapBehavioursEnabled: {initialValue: true},
        enableAutoIndent: {initialValue: true},
        autoScrollEditorIntoView: {
            set: function(val) {this.setAutoScrollEditorIntoView(val);}
        },
        keyboardHandler: {
            set: function(val) { this.setKeyboardHandler(val); },
            get: function() { return this.$keybindingId; },
            handlesSet: true
        },
        value: {
            set: function(val) { this.session.setValue(val); },
            get: function() { return this.getValue(); },
            handlesSet: true,
            hidden: true
        },
        session: {
            set: function(val) { this.setSession(val); },
            get: function() { return this.session; },
            handlesSet: true,
            hidden: true
        },

        showLineNumbers: {
            set: function(show) {
                this.renderer.$gutterLayer.setShowLineNumbers(show);
                this.renderer.$loop.schedule(this.renderer.CHANGE_GUTTER);
                if (show && this.$relativeLineNumbers)
                    relativeNumberRenderer.attach(this);
                else
                    relativeNumberRenderer.detach(this);
            },
            initialValue: true
        },
        relativeLineNumbers: {
            set: function(value) {
                if (this.$showLineNumbers && value)
                    relativeNumberRenderer.attach(this);
                else
                    relativeNumberRenderer.detach(this);
            }
        },
        placeholder: {
            set: function(message) {
                if (!this.$updatePlaceholder) {
                    this.$updatePlaceholder = function() {
                        var value = this.session && (this.renderer.$composition || this.getValue());
                        if (value && this.renderer.placeholderNode) {
                            this.renderer.off("afterRender", this.$updatePlaceholder);
                            dom.removeCssClass(this.container, "ace_hasPlaceholder");
                            this.renderer.placeholderNode.remove();
                            this.renderer.placeholderNode = null;
                        } else if (!value && !this.renderer.placeholderNode) {
                            this.renderer.on("afterRender", this.$updatePlaceholder);
                            dom.addCssClass(this.container, "ace_hasPlaceholder");
                            var el = dom.createElement("div");
                            el.className = "ace_placeholder";
                            el.textContent = this.$placeholder || "";
                            this.renderer.placeholderNode = el;
                            this.renderer.content.appendChild(this.renderer.placeholderNode);
                        } else if (!value && this.renderer.placeholderNode) {
                            this.renderer.placeholderNode.textContent = this.$placeholder || "";
                        }
                    }.bind(this);
                    this.on("input", this.$updatePlaceholder);
                }
                this.$updatePlaceholder();
            }
        },

        hScrollBarAlwaysVisible: "renderer",
        vScrollBarAlwaysVisible: "renderer",
        highlightGutterLine: "renderer",
        animatedScroll: "renderer",
        showInvisibles: "renderer",
        showPrintMargin: "renderer",
        printMarginColumn: "renderer",
        printMargin: "renderer",
        fadeFoldWidgets: "renderer",
        showFoldWidgets: "renderer",
        displayIndentGuides: "renderer",
        showGutter: "renderer",
        fontSize: "renderer",
        fontFamily: "renderer",
        maxLines: "renderer",
        minLines: "renderer",
        scrollPastEnd: "renderer",
        fixedWidthGutter: "renderer",
        theme: "renderer",
        hasCssTransforms: "renderer",
        maxPixelHeight: "renderer",
        useTextareaForIME: "renderer",

        scrollSpeed: "$mouseHandler",
        dragDelay: "$mouseHandler",
        dragEnabled: "$mouseHandler",
        focusTimeout: "$mouseHandler",
        tooltipFollowsMouse: "$mouseHandler",

        firstLineNumber: "session",
        overwrite: "session",
        newLineMode: "session",
        useWorker: "session",
        useSoftTabs: "session",
        navigateWithinSoftTabs: "session",
        tabSize: "session",
        wrap: "session",
        indentedSoftWrap: "session",
        foldStyle: "session",
        mode: "session"
    });


    var relativeNumberRenderer = {
        getText: function(session, row) {
            return (Math.abs(session.selection.lead.row - row) || (row + 1 + (row < 9 ? "\xb7" : ""))) + "";
        },
        getWidth: function(session, lastLineNumber, config) {
            return Math.max(
                lastLineNumber.toString().length,
                (config.lastRow + 1).toString().length,
                2
            ) * config.characterWidth;
        },
        update: function(e, editor) {
            editor.renderer.$loop.schedule(editor.renderer.CHANGE_GUTTER);
        },
        attach: function(editor) {
            editor.renderer.$gutterLayer.$renderer = this;
            editor.on("changeSelection", this.update);
            this.update(null, editor);
        },
        detach: function(editor) {
            if (editor.renderer.$gutterLayer.$renderer == this)
                editor.renderer.$gutterLayer.$renderer = null;
            editor.off("changeSelection", this.update);
            this.update(null, editor);
        }
    };

    exports.Editor = Editor;
});

define("ace/undomanager",["require","exports","module","ace/range"], function(require, exports, module) {
    "use strict";
    var UndoManager = function() {
        this.$maxRev = 0;
        this.$fromUndo = false;
        this.reset();
    };

    (function() {

        this.addSession = function(session) {
            this.$session = session;
        };
        this.add = function(delta, allowMerge, session) {
            if (this.$fromUndo) return;
            if (delta == this.$lastDelta) return;
            if (!this.$keepRedoStack) this.$redoStack.length = 0;
            if (allowMerge === false || !this.lastDeltas) {
                this.lastDeltas = [];
                this.$undoStack.push(this.lastDeltas);
                delta.id = this.$rev = ++this.$maxRev;
            }
            if (delta.action == "remove" || delta.action == "insert")
                this.$lastDelta = delta;
            this.lastDeltas.push(delta);
        };

        this.addSelection = function(selection, rev) {
            this.selections.push({
                value: selection,
                rev: rev || this.$rev
            });
        };

        this.startNewGroup = function() {
            this.lastDeltas = null;
            return this.$rev;
        };

        this.markIgnored = function(from, to) {
            if (to == null) to = this.$rev + 1;
            var stack = this.$undoStack;
            for (var i = stack.length; i--;) {
                var delta = stack[i][0];
                if (delta.id <= from)
                    break;
                if (delta.id < to)
                    delta.ignore = true;
            }
            this.lastDeltas = null;
        };

        this.getSelection = function(rev, after) {
            var stack = this.selections;
            for (var i = stack.length; i--;) {
                var selection = stack[i];
                if (selection.rev < rev) {
                    if (after)
                        selection = stack[i + 1];
                    return selection;
                }
            }
        };

        this.getRevision = function() {
            return this.$rev;
        };

        this.getDeltas = function(from, to) {
            if (to == null) to = this.$rev + 1;
            var stack = this.$undoStack;
            var end = null, start = 0;
            for (var i = stack.length; i--;) {
                var delta = stack[i][0];
                if (delta.id < to && !end)
                    end = i+1;
                if (delta.id <= from) {
                    start = i + 1;
                    break;
                }
            }
            return stack.slice(start, end);
        };

        this.getChangedRanges = function(from, to) {
            if (to == null) to = this.$rev + 1;

        };

        this.getChangedLines = function(from, to) {
            if (to == null) to = this.$rev + 1;

        };
        this.undo = function(session, dontSelect) {
            this.lastDeltas = null;
            var stack = this.$undoStack;

            if (!rearrangeUndoStack(stack, stack.length))
                return;

            if (!session)
                session = this.$session;

            if (this.$redoStackBaseRev !== this.$rev && this.$redoStack.length)
                this.$redoStack = [];

            this.$fromUndo = true;

            var deltaSet = stack.pop();
            var undoSelectionRange = null;
            if (deltaSet) {
                undoSelectionRange = session.undoChanges(deltaSet, dontSelect);
                this.$redoStack.push(deltaSet);
                this.$syncRev();
            }

            this.$fromUndo = false;

            return undoSelectionRange;
        };
        this.redo = function(session, dontSelect) {
            this.lastDeltas = null;

            if (!session)
                session = this.$session;

            this.$fromUndo = true;
            if (this.$redoStackBaseRev != this.$rev) {
                var diff = this.getDeltas(this.$redoStackBaseRev, this.$rev + 1);
                rebaseRedoStack(this.$redoStack, diff);
                this.$redoStackBaseRev = this.$rev;
                this.$redoStack.forEach(function(x) {
                    x[0].id = ++this.$maxRev;
                }, this);
            }
            var deltaSet = this.$redoStack.pop();
            var redoSelectionRange = null;

            if (deltaSet) {
                redoSelectionRange = session.redoChanges(deltaSet, dontSelect);
                this.$undoStack.push(deltaSet);
                this.$syncRev();
            }
            this.$fromUndo = false;

            return redoSelectionRange;
        };

        this.$syncRev = function() {
            var stack = this.$undoStack;
            var nextDelta = stack[stack.length - 1];
            var id = nextDelta && nextDelta[0].id || 0;
            this.$redoStackBaseRev = id;
            this.$rev = id;
        };
        this.reset = function() {
            this.lastDeltas = null;
            this.$lastDelta = null;
            this.$undoStack = [];
            this.$redoStack = [];
            this.$rev = 0;
            this.mark = 0;
            this.$redoStackBaseRev = this.$rev;
            this.selections = [];
        };
        this.canUndo = function() {
            return this.$undoStack.length > 0;
        };
        this.canRedo = function() {
            return this.$redoStack.length > 0;
        };
        this.bookmark = function(rev) {
            if (rev == undefined)
                rev = this.$rev;
            this.mark = rev;
        };
        this.isAtBookmark = function() {
            return this.$rev === this.mark;
        };

        this.toJSON = function() {

        };

        this.fromJSON = function() {

        };

        this.hasUndo = this.canUndo;
        this.hasRedo = this.canRedo;
        this.isClean = this.isAtBookmark;
        this.markClean = this.bookmark;

        this.$prettyPrint = function(delta) {
            if (delta) return stringifyDelta(delta);
            return stringifyDelta(this.$undoStack) + "\n---\n" + stringifyDelta(this.$redoStack);
        };
    }).call(UndoManager.prototype);

    function rearrangeUndoStack(stack, pos) {
        for (var i = pos; i--; ) {
            var deltaSet = stack[i];
            if (deltaSet && !deltaSet[0].ignore) {
                while(i < pos - 1) {
                    var swapped = swapGroups(stack[i], stack[i + 1]);
                    stack[i] = swapped[0];
                    stack[i + 1] = swapped[1];
                    i++;
                }
                return true;
            }
        }
    }

    var Range = require("./range").Range;
    var cmp = Range.comparePoints;
    var comparePoints = Range.comparePoints;

    function $updateMarkers(delta) {
        var isInsert = delta.action == "insert";
        var start = delta.start;
        var end = delta.end;
        var rowShift = (end.row - start.row) * (isInsert ? 1 : -1);
        var colShift = (end.column - start.column) * (isInsert ? 1 : -1);
        if (isInsert) end = start;

        for (var i in this.marks) {
            var point = this.marks[i];
            var cmp = comparePoints(point, start);
            if (cmp < 0) {
                continue; // delta starts after the range
            }
            if (cmp === 0) {
                if (isInsert) {
                    if (point.bias == 1) {
                        cmp = 1;
                    }
                    else {
                        point.bias == -1;
                        continue;
                    }
                }
            }
            var cmp2 = isInsert ? cmp : comparePoints(point, end);
            if (cmp2 > 0) {
                point.row += rowShift;
                point.column += point.row == end.row ? colShift : 0;
                continue;
            }
            if (!isInsert && cmp2 <= 0) {
                point.row = start.row;
                point.column = start.column;
                if (cmp2 === 0)
                    point.bias = 1;
            }
        }
    }



    function clonePos(pos) {
        return {row: pos.row,column: pos.column};
    }
    function cloneDelta(d) {
        return {
            start: clonePos(d.start),
            end: clonePos(d.end),
            action: d.action,
            lines: d.lines.slice()
        };
    }
    function stringifyDelta(d) {
        d = d || this;
        if (Array.isArray(d)) {
            return d.map(stringifyDelta).join("\n");
        }
        var type = "";
        if (d.action) {
            type = d.action == "insert" ? "+" : "-";
            type += "[" + d.lines + "]";
        } else if (d.value) {
            if (Array.isArray(d.value)) {
                type = d.value.map(stringifyRange).join("\n");
            } else {
                type = stringifyRange(d.value);
            }
        }
        if (d.start) {
            type += stringifyRange(d);
        }
        if (d.id || d.rev) {
            type += "\t(" + (d.id || d.rev) + ")";
        }
        return type;
    }
    function stringifyRange(r) {
        return r.start.row + ":" + r.start.column
            + "=>" + r.end.row + ":" + r.end.column;
    }

    function swap(d1, d2) {
        var i1 = d1.action == "insert";
        var i2 = d2.action == "insert";

        if (i1 && i2) {
            if (cmp(d2.start, d1.end) >= 0) {
                shift(d2, d1, -1);
            } else if (cmp(d2.start, d1.start) <= 0) {
                shift(d1, d2, +1);
            } else {
                return null;
            }
        } else if (i1 && !i2) {
            if (cmp(d2.start, d1.end) >= 0) {
                shift(d2, d1, -1);
            } else if (cmp(d2.end, d1.start) <= 0) {
                shift(d1, d2, -1);
            } else {
                return null;
            }
        } else if (!i1 && i2) {
            if (cmp(d2.start, d1.start) >= 0) {
                shift(d2, d1, +1);
            } else if (cmp(d2.start, d1.start) <= 0) {
                shift(d1, d2, +1);
            } else {
                return null;
            }
        } else if (!i1 && !i2) {
            if (cmp(d2.start, d1.start) >= 0) {
                shift(d2, d1, +1);
            } else if (cmp(d2.end, d1.start) <= 0) {
                shift(d1, d2, -1);
            } else {
                return null;
            }
        }
        return [d2, d1];
    }
    function swapGroups(ds1, ds2) {
        for (var i = ds1.length; i--; ) {
            for (var j = 0; j < ds2.length; j++) {
                if (!swap(ds1[i], ds2[j])) {
                    while (i < ds1.length) {
                        while (j--) {
                            swap(ds2[j], ds1[i]);
                        }
                        j = ds2.length;
                        i++;
                    }
                    return [ds1, ds2];
                }
            }
        }
        ds1.selectionBefore = ds2.selectionBefore =
            ds1.selectionAfter = ds2.selectionAfter = null;
        return [ds2, ds1];
    }
    function xform(d1, c1) {
        var i1 = d1.action == "insert";
        var i2 = c1.action == "insert";

        if (i1 && i2) {
            if (cmp(d1.start, c1.start) < 0) {
                shift(c1, d1, 1);
            } else {
                shift(d1, c1, 1);
            }
        } else if (i1 && !i2) {
            if (cmp(d1.start, c1.end) >= 0) {
                shift(d1, c1, -1);
            } else if (cmp(d1.start, c1.start) <= 0) {
                shift(c1, d1, +1);
            } else {
                shift(d1, Range.fromPoints(c1.start, d1.start), -1);
                shift(c1, d1, +1);
            }
        } else if (!i1 && i2) {
            if (cmp(c1.start, d1.end) >= 0) {
                shift(c1, d1, -1);
            } else if (cmp(c1.start, d1.start) <= 0) {
                shift(d1, c1, +1);
            } else {
                shift(c1, Range.fromPoints(d1.start, c1.start), -1);
                shift(d1, c1, +1);
            }
        } else if (!i1 && !i2) {
            if (cmp(c1.start, d1.end) >= 0) {
                shift(c1, d1, -1);
            } else if (cmp(c1.end, d1.start) <= 0) {
                shift(d1, c1, -1);
            } else {
                var before, after;
                if (cmp(d1.start, c1.start) < 0) {
                    before = d1;
                    d1 = splitDelta(d1, c1.start);
                }
                if (cmp(d1.end, c1.end) > 0) {
                    after = splitDelta(d1, c1.end);
                }

                shiftPos(c1.end, d1.start, d1.end, -1);
                if (after && !before) {
                    d1.lines = after.lines;
                    d1.start = after.start;
                    d1.end = after.end;
                    after = d1;
                }

                return [c1, before, after].filter(Boolean);
            }
        }
        return [c1, d1];
    }

    function shift(d1, d2, dir) {
        shiftPos(d1.start, d2.start, d2.end, dir);
        shiftPos(d1.end, d2.start, d2.end, dir);
    }
    function shiftPos(pos, start, end, dir) {
        if (pos.row == (dir == 1 ? start : end).row) {
            pos.column += dir * (end.column - start.column);
        }
        pos.row += dir * (end.row - start.row);
    }
    function splitDelta(c, pos) {
        var lines = c.lines;
        var end = c.end;
        c.end = clonePos(pos);
        var rowsBefore = c.end.row - c.start.row;
        var otherLines = lines.splice(rowsBefore, lines.length);

        var col = rowsBefore ? pos.column : pos.column - c.start.column;
        lines.push(otherLines[0].substring(0, col));
        otherLines[0] = otherLines[0].substr(col)   ;
        var rest = {
            start: clonePos(pos),
            end: end,
            lines: otherLines,
            action: c.action
        };
        return rest;
    }

    function moveDeltasByOne(redoStack, d) {
        d = cloneDelta(d);
        for (var j = redoStack.length; j--;) {
            var deltaSet = redoStack[j];
            for (var i = 0; i < deltaSet.length; i++) {
                var x = deltaSet[i];
                var xformed = xform(x, d);
                d = xformed[0];
                if (xformed.length != 2) {
                    if (xformed[2]) {
                        deltaSet.splice(i + 1, 1, xformed[1], xformed[2]);
                        i++;
                    } else if (!xformed[1]) {
                        deltaSet.splice(i, 1);
                        i--;
                    }
                }
            }
            if (!deltaSet.length) {
                redoStack.splice(j, 1);
            }
        }
        return redoStack;
    }
    function rebaseRedoStack(redoStack, deltaSets) {
        for (var i = 0; i < deltaSets.length; i++) {
            var deltas = deltaSets[i];
            for (var j = 0; j < deltas.length; j++) {
                moveDeltasByOne(redoStack, deltas[j]);
            }
        }
    }

    exports.UndoManager = UndoManager;

});

define("ace/layer/lines",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    var dom = require("../lib/dom");

    var Lines = function(element, canvasHeight) {
        this.element = element;
        this.canvasHeight = canvasHeight || 500000;
        this.element.style.height = (this.canvasHeight * 2) + "px";

        this.cells = [];
        this.cellCache = [];
        this.$offsetCoefficient = 0;
    };

    (function() {

        this.moveContainer = function(config) {
            dom.translate(this.element, 0, -((config.firstRowScreen * config.lineHeight) % this.canvasHeight) - config.offset * this.$offsetCoefficient);
        };

        this.pageChanged = function(oldConfig, newConfig) {
            return (
                Math.floor((oldConfig.firstRowScreen * oldConfig.lineHeight) / this.canvasHeight) !==
                Math.floor((newConfig.firstRowScreen * newConfig.lineHeight) / this.canvasHeight)
            );
        };

        this.computeLineTop = function(row, config, session) {
            var screenTop = config.firstRowScreen * config.lineHeight;
            var screenPage = Math.floor(screenTop / this.canvasHeight);
            var lineTop = session.documentToScreenRow(row, 0) * config.lineHeight;
            return lineTop - (screenPage * this.canvasHeight);
        };

        this.computeLineHeight = function(row, config, session) {
            return config.lineHeight * session.getRowLineCount(row);
        };

        this.getLength = function() {
            return this.cells.length;
        };

        this.get = function(index) {
            return this.cells[index];
        };

        this.shift = function() {
            this.$cacheCell(this.cells.shift());
        };

        this.pop = function() {
            this.$cacheCell(this.cells.pop());
        };

        this.push = function(cell) {
            if (Array.isArray(cell)) {
                this.cells.push.apply(this.cells, cell);
                var fragment = dom.createFragment(this.element);
                for (var i=0; i<cell.length; i++) {
                    fragment.appendChild(cell[i].element);
                }
                this.element.appendChild(fragment);
            } else {
                this.cells.push(cell);
                this.element.appendChild(cell.element);
            }
        };

        this.unshift = function(cell) {
            if (Array.isArray(cell)) {
                this.cells.unshift.apply(this.cells, cell);
                var fragment = dom.createFragment(this.element);
                for (var i=0; i<cell.length; i++) {
                    fragment.appendChild(cell[i].element);
                }
                if (this.element.firstChild)
                    this.element.insertBefore(fragment, this.element.firstChild);
                else
                    this.element.appendChild(fragment);
            } else {
                this.cells.unshift(cell);
                this.element.insertAdjacentElement("afterbegin", cell.element);
            }
        };

        this.last = function() {
            if (this.cells.length)
                return this.cells[this.cells.length-1];
            else
                return null;
        };

        this.$cacheCell = function(cell) {
            if (!cell)
                return;

            cell.element.remove();
            this.cellCache.push(cell);
        };

        this.createCell = function(row, config, session, initElement) {
            var cell = this.cellCache.pop();
            if (!cell) {
                var element = dom.createElement("div");
                if (initElement)
                    initElement(element);

                this.element.appendChild(element);

                cell = {
                    element: element,
                    text: "",
                    row: row
                };
            }
            cell.row = row;

            return cell;
        };

    }).call(Lines.prototype);

    exports.Lines = Lines;

});

define("ace/layer/gutter",["require","exports","module","ace/lib/dom","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter","ace/layer/lines"], function(require, exports, module) {
    "use strict";

    var dom = require("../lib/dom");
    var oop = require("../lib/oop");
    var lang = require("../lib/lang");
    var EventEmitter = require("../lib/event_emitter").EventEmitter;
    var Lines = require("./lines").Lines;

    var Gutter = function(parentEl) {
        this.element = dom.createElement("div");
        this.element.className = "ace_layer ace_gutter-layer";
        parentEl.appendChild(this.element);
        this.setShowFoldWidgets(this.$showFoldWidgets);

        this.gutterWidth = 0;

        this.$annotations = [];
        this.$updateAnnotations = this.$updateAnnotations.bind(this);

        this.$lines = new Lines(this.element);
        this.$lines.$offsetCoefficient = 1;
    };

    (function() {

        oop.implement(this, EventEmitter);

        this.setSession = function(session) {
            if (this.session)
                this.session.off("change", this.$updateAnnotations);
            this.session = session;
            if (session)
                session.on("change", this.$updateAnnotations);
        };

        this.addGutterDecoration = function(row, className) {
            if (window.console)
                console.warn && console.warn("deprecated use session.addGutterDecoration");
            this.session.addGutterDecoration(row, className);
        };

        this.removeGutterDecoration = function(row, className) {
            if (window.console)
                console.warn && console.warn("deprecated use session.removeGutterDecoration");
            this.session.removeGutterDecoration(row, className);
        };

        this.setAnnotations = function(annotations) {
            this.$annotations = [];
            for (var i = 0; i < annotations.length; i++) {
                var annotation = annotations[i];
                var row = annotation.row;
                var rowInfo = this.$annotations[row];
                if (!rowInfo)
                    rowInfo = this.$annotations[row] = {text: []};

                var annoText = annotation.text;
                annoText = annoText ? lang.escapeHTML(annoText) : annotation.html || "";

                if (rowInfo.text.indexOf(annoText) === -1)
                    rowInfo.text.push(annoText);

                var type = annotation.type;
                if (type == "error")
                    rowInfo.className = " ace_error";
                else if (type == "warning" && rowInfo.className != " ace_error")
                    rowInfo.className = " ace_warning";
                else if (type == "info" && (!rowInfo.className))
                    rowInfo.className = " ace_info";
            }
        };

        this.$updateAnnotations = function (delta) {
            if (!this.$annotations.length)
                return;
            var firstRow = delta.start.row;
            var len = delta.end.row - firstRow;
            if (len === 0) {
            } else if (delta.action == 'remove') {
                this.$annotations.splice(firstRow, len + 1, null);
            } else {
                var args = new Array(len + 1);
                args.unshift(firstRow, 1);
                this.$annotations.splice.apply(this.$annotations, args);
            }
        };

        this.update = function(config) {
            this.config = config;

            var session = this.session;
            var firstRow = config.firstRow;
            var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar
                session.getLength() - 1);

            this.oldLastRow = lastRow;
            this.config = config;

            this.$lines.moveContainer(config);
            this.$updateCursorRow();

            var fold = session.getNextFoldLine(firstRow);
            var foldStart = fold ? fold.start.row : Infinity;

            var cell = null;
            var index = -1;
            var row = firstRow;

            while (true) {
                if (row > foldStart) {
                    row = fold.end.row + 1;
                    fold = session.getNextFoldLine(row, fold);
                    foldStart = fold ? fold.start.row : Infinity;
                }
                if (row > lastRow) {
                    while (this.$lines.getLength() > index + 1)
                        this.$lines.pop();

                    break;
                }

                cell = this.$lines.get(++index);
                if (cell) {
                    cell.row = row;
                } else {
                    cell = this.$lines.createCell(row, config, this.session, onCreateCell);
                    this.$lines.push(cell);
                }

                this.$renderCell(cell, config, fold, row);
                row++;
            }

            this._signal("afterRender");
            this.$updateGutterWidth(config);
        };

        this.$updateGutterWidth = function(config) {
            var session = this.session;

            var gutterRenderer = session.gutterRenderer || this.$renderer;

            var firstLineNumber = session.$firstLineNumber;
            var lastLineText = this.$lines.last() ? this.$lines.last().text : "";

            if (this.$fixedWidth || session.$useWrapMode)
                lastLineText = session.getLength() + firstLineNumber - 1;

            var gutterWidth = gutterRenderer
                ? gutterRenderer.getWidth(session, lastLineText, config)
                : lastLineText.toString().length * config.characterWidth;

            var padding = this.$padding || this.$computePadding();
            gutterWidth += padding.left + padding.right;
            if (gutterWidth !== this.gutterWidth && !isNaN(gutterWidth)) {
                this.gutterWidth = gutterWidth;
                this.element.parentNode.style.width =
                    this.element.style.width = Math.ceil(this.gutterWidth) + "px";
                this._signal("changeGutterWidth", gutterWidth);
            }
        };

        this.$updateCursorRow = function() {
            if (!this.$highlightGutterLine)
                return;

            var position = this.session.selection.getCursor();
            if (this.$cursorRow === position.row)
                return;

            this.$cursorRow = position.row;
        };

        this.updateLineHighlight = function() {
            if (!this.$highlightGutterLine)
                return;
            var row = this.session.selection.cursor.row;
            this.$cursorRow = row;

            if (this.$cursorCell && this.$cursorCell.row == row)
                return;
            if (this.$cursorCell)
                this.$cursorCell.element.className = this.$cursorCell.element.className.replace("ace_gutter-active-line ", "");
            var cells = this.$lines.cells;
            this.$cursorCell = null;
            for (var i = 0; i < cells.length; i++) {
                var cell = cells[i];
                if (cell.row >= this.$cursorRow) {
                    if (cell.row > this.$cursorRow) {
                        var fold = this.session.getFoldLine(this.$cursorRow);
                        if (i > 0 && fold && fold.start.row == cells[i - 1].row)
                            cell = cells[i - 1];
                        else
                            break;
                    }
                    cell.element.className = "ace_gutter-active-line " + cell.element.className;
                    this.$cursorCell = cell;
                    break;
                }
            }
        };

        this.scrollLines = function(config) {
            var oldConfig = this.config;
            this.config = config;

            this.$updateCursorRow();
            if (this.$lines.pageChanged(oldConfig, config))
                return this.update(config);

            this.$lines.moveContainer(config);

            var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar
                this.session.getLength() - 1);
            var oldLastRow = this.oldLastRow;
            this.oldLastRow = lastRow;

            if (!oldConfig || oldLastRow < config.firstRow)
                return this.update(config);

            if (lastRow < oldConfig.firstRow)
                return this.update(config);

            if (oldConfig.firstRow < config.firstRow)
                for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)
                    this.$lines.shift();

            if (oldLastRow > lastRow)
                for (var row=this.session.getFoldedRowCount(lastRow + 1, oldLastRow); row>0; row--)
                    this.$lines.pop();

            if (config.firstRow < oldConfig.firstRow) {
                this.$lines.unshift(this.$renderLines(config, config.firstRow, oldConfig.firstRow - 1));
            }

            if (lastRow > oldLastRow) {
                this.$lines.push(this.$renderLines(config, oldLastRow + 1, lastRow));
            }

            this.updateLineHighlight();

            this._signal("afterRender");
            this.$updateGutterWidth(config);
        };

        this.$renderLines = function(config, firstRow, lastRow) {
            var fragment = [];
            var row = firstRow;
            var foldLine = this.session.getNextFoldLine(row);
            var foldStart = foldLine ? foldLine.start.row : Infinity;

            while (true) {
                if (row > foldStart) {
                    row = foldLine.end.row+1;
                    foldLine = this.session.getNextFoldLine(row, foldLine);
                    foldStart = foldLine ? foldLine.start.row : Infinity;
                }
                if (row > lastRow)
                    break;

                var cell = this.$lines.createCell(row, config, this.session, onCreateCell);
                this.$renderCell(cell, config, foldLine, row);
                fragment.push(cell);

                row++;
            }
            return fragment;
        };

        this.$renderCell = function(cell, config, fold, row) {
            var element = cell.element;

            var session = this.session;

            var textNode = element.childNodes[0];
            var foldWidget = element.childNodes[1];

            var firstLineNumber = session.$firstLineNumber;

            var breakpoints = session.$breakpoints;
            var decorations = session.$decorations;
            var gutterRenderer = session.gutterRenderer || this.$renderer;
            var foldWidgets = this.$showFoldWidgets && session.foldWidgets;
            var foldStart = fold ? fold.start.row : Number.MAX_VALUE;

            var className = "ace_gutter-cell ";
            if (this.$highlightGutterLine) {
                if (row == this.$cursorRow || (fold && row < this.$cursorRow && row >= foldStart &&  this.$cursorRow <= fold.end.row)) {
                    className += "ace_gutter-active-line ";
                    if (this.$cursorCell != cell) {
                        if (this.$cursorCell)
                            this.$cursorCell.element.className = this.$cursorCell.element.className.replace("ace_gutter-active-line ", "");
                        this.$cursorCell = cell;
                    }
                }
            }

            if (breakpoints[row])
                className += breakpoints[row];
            if (decorations[row])
                className += decorations[row];
            if (this.$annotations[row])
                className += this.$annotations[row].className;
            if (element.className != className)
                element.className = className;

            if (foldWidgets) {
                var c = foldWidgets[row];
                if (c == null)
                    c = foldWidgets[row] = session.getFoldWidget(row);
            }

            if (c) {
                var className = "ace_fold-widget ace_" + c;
                if (c == "start" && row == foldStart && row < fold.end.row)
                    className += " ace_closed";
                else
                    className += " ace_open";
                if (foldWidget.className != className)
                    foldWidget.className = className;

                var foldHeight = config.lineHeight + "px";
                dom.setStyle(foldWidget.style, "height", foldHeight);
                dom.setStyle(foldWidget.style, "display", "inline-block");
            } else {
                if (foldWidget) {
                    dom.setStyle(foldWidget.style, "display", "none");
                }
            }

            var text = (gutterRenderer
                ? gutterRenderer.getText(session, row)
                : row + firstLineNumber).toString();

            if (text !== textNode.data) {
                textNode.data = text;
            }

            dom.setStyle(cell.element.style, "height", this.$lines.computeLineHeight(row, config, session) + "px");
            dom.setStyle(cell.element.style, "top", this.$lines.computeLineTop(row, config, session) + "px");

            cell.text = text;
            return cell;
        };

        this.$fixedWidth = false;

        this.$highlightGutterLine = true;
        this.$renderer = "";
        this.setHighlightGutterLine = function(highlightGutterLine) {
            this.$highlightGutterLine = highlightGutterLine;
        };

        this.$showLineNumbers = true;
        this.$renderer = "";
        this.setShowLineNumbers = function(show) {
            this.$renderer = !show && {
                getWidth: function() {return 0;},
                getText: function() {return "";}
            };
        };

        this.getShowLineNumbers = function() {
            return this.$showLineNumbers;
        };

        this.$showFoldWidgets = true;
        this.setShowFoldWidgets = function(show) {
            if (show)
                dom.addCssClass(this.element, "ace_folding-enabled");
            else
                dom.removeCssClass(this.element, "ace_folding-enabled");

            this.$showFoldWidgets = show;
            this.$padding = null;
        };

        this.getShowFoldWidgets = function() {
            return this.$showFoldWidgets;
        };

        this.$computePadding = function() {
            if (!this.element.firstChild)
                return {left: 0, right: 0};
            var style = dom.computedStyle(this.element.firstChild);
            this.$padding = {};
            this.$padding.left = (parseInt(style.borderLeftWidth) || 0)
                + (parseInt(style.paddingLeft) || 0) + 1;
            this.$padding.right = (parseInt(style.borderRightWidth) || 0)
                + (parseInt(style.paddingRight) || 0);
            return this.$padding;
        };

        this.getRegion = function(point) {
            var padding = this.$padding || this.$computePadding();
            var rect = this.element.getBoundingClientRect();
            if (point.x < padding.left + rect.left)
                return "markers";
            if (this.$showFoldWidgets && point.x > rect.right - padding.right)
                return "foldWidgets";
        };

    }).call(Gutter.prototype);

    function onCreateCell(element) {
        var textNode = document.createTextNode('');
        element.appendChild(textNode);

        var foldWidget = dom.createElement("span");
        element.appendChild(foldWidget);

        return element;
    }

    exports.Gutter = Gutter;

});

define("ace/layer/marker",["require","exports","module","ace/range","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    var Range = require("../range").Range;
    var dom = require("../lib/dom");

    var Marker = function(parentEl) {
        this.element = dom.createElement("div");
        this.element.className = "ace_layer ace_marker-layer";
        parentEl.appendChild(this.element);
    };

    (function() {

        this.$padding = 0;

        this.setPadding = function(padding) {
            this.$padding = padding;
        };
        this.setSession = function(session) {
            this.session = session;
        };

        this.setMarkers = function(markers) {
            this.markers = markers;
        };

        this.elt = function(className, css) {
            var x = this.i != -1 && this.element.childNodes[this.i];
            if (!x) {
                x = document.createElement("div");
                this.element.appendChild(x);
                this.i = -1;
            } else {
                this.i++;
            }
            x.style.cssText = css;
            x.className = className;
        };

        this.update = function(config) {
            if (!config) return;

            this.config = config;

            this.i = 0;
            var html;
            for (var key in this.markers) {
                var marker = this.markers[key];

                if (!marker.range) {
                    marker.update(html, this, this.session, config);
                    continue;
                }

                var range = marker.range.clipRows(config.firstRow, config.lastRow);
                if (range.isEmpty()) continue;

                range = range.toScreenRange(this.session);
                if (marker.renderer) {
                    var top = this.$getTop(range.start.row, config);
                    var left = this.$padding + range.start.column * config.characterWidth;
                    marker.renderer(html, range, left, top, config);
                } else if (marker.type == "fullLine") {
                    this.drawFullLineMarker(html, range, marker.clazz, config);
                } else if (marker.type == "screenLine") {
                    this.drawScreenLineMarker(html, range, marker.clazz, config);
                } else if (range.isMultiLine()) {
                    if (marker.type == "text")
                        this.drawTextMarker(html, range, marker.clazz, config);
                    else
                        this.drawMultiLineMarker(html, range, marker.clazz, config);
                } else {
                    this.drawSingleLineMarker(html, range, marker.clazz + " ace_start" + " ace_br15", config);
                }
            }
            if (this.i !=-1) {
                while (this.i < this.element.childElementCount)
                    this.element.removeChild(this.element.lastChild);
            }
        };

        this.$getTop = function(row, layerConfig) {
            return (row - layerConfig.firstRowScreen) * layerConfig.lineHeight;
        };

        function getBorderClass(tl, tr, br, bl) {
            return (tl ? 1 : 0) | (tr ? 2 : 0) | (br ? 4 : 0) | (bl ? 8 : 0);
        }
        this.drawTextMarker = function(stringBuilder, range, clazz, layerConfig, extraStyle) {
            var session = this.session;
            var start = range.start.row;
            var end = range.end.row;
            var row = start;
            var prev = 0;
            var curr = 0;
            var next = session.getScreenLastRowColumn(row);
            var lineRange = new Range(row, range.start.column, row, curr);
            for (; row <= end; row++) {
                lineRange.start.row = lineRange.end.row = row;
                lineRange.start.column = row == start ? range.start.column : session.getRowWrapIndent(row);
                lineRange.end.column = next;
                prev = curr;
                curr = next;
                next = row + 1 < end ? session.getScreenLastRowColumn(row + 1) : row == end ? 0 : range.end.column;
                this.drawSingleLineMarker(stringBuilder, lineRange,
                    clazz + (row == start  ? " ace_start" : "") + " ace_br"
                    + getBorderClass(row == start || row == start + 1 && range.start.column, prev < curr, curr > next, row == end),
                    layerConfig, row == end ? 0 : 1, extraStyle);
            }
        };
        this.drawMultiLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
            var padding = this.$padding;
            var height = config.lineHeight;
            var top = this.$getTop(range.start.row, config);
            var left = padding + range.start.column * config.characterWidth;
            extraStyle = extraStyle || "";

            if (this.session.$bidiHandler.isBidiRow(range.start.row)) {
                var range1 = range.clone();
                range1.end.row = range1.start.row;
                range1.end.column = this.session.getLine(range1.start.row).length;
                this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + " ace_br1 ace_start", config, null, extraStyle);
            } else {
                this.elt(
                    clazz + " ace_br1 ace_start",
                    "height:"+ height+ "px;"+ "right:0;"+ "top:"+top+ "px;left:"+ left+ "px;" + (extraStyle || "")
                );
            }
            if (this.session.$bidiHandler.isBidiRow(range.end.row)) {
                var range1 = range.clone();
                range1.start.row = range1.end.row;
                range1.start.column = 0;
                this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + " ace_br12", config, null, extraStyle);
            } else {
                top = this.$getTop(range.end.row, config);
                var width = range.end.column * config.characterWidth;

                this.elt(
                    clazz + " ace_br12",
                    "height:"+ height+ "px;"+
                    "width:"+ width+ "px;"+
                    "top:"+ top+ "px;"+
                    "left:"+ padding+ "px;"+ (extraStyle || "")
                );
            }
            height = (range.end.row - range.start.row - 1) * config.lineHeight;
            if (height <= 0)
                return;
            top = this.$getTop(range.start.row + 1, config);

            var radiusClass = (range.start.column ? 1 : 0) | (range.end.column ? 0 : 8);

            this.elt(
                clazz + (radiusClass ? " ace_br" + radiusClass : ""),
                "height:"+ height+ "px;"+
                "right:0;"+
                "top:"+ top+ "px;"+
                "left:"+ padding+ "px;"+ (extraStyle || "")
            );
        };
        this.drawSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {
            if (this.session.$bidiHandler.isBidiRow(range.start.row))
                return this.drawBidiSingleLineMarker(stringBuilder, range, clazz, config, extraLength, extraStyle);
            var height = config.lineHeight;
            var width = (range.end.column + (extraLength || 0) - range.start.column) * config.characterWidth;

            var top = this.$getTop(range.start.row, config);
            var left = this.$padding + range.start.column * config.characterWidth;

            this.elt(
                clazz,
                "height:"+ height+ "px;"+
                "width:"+ width+ "px;"+
                "top:"+ top+ "px;"+
                "left:"+ left+ "px;"+ (extraStyle || "")
            );
        };
        this.drawBidiSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {
            var height = config.lineHeight, top = this.$getTop(range.start.row, config), padding = this.$padding;
            var selections = this.session.$bidiHandler.getSelections(range.start.column, range.end.column);

            selections.forEach(function(selection) {
                this.elt(
                    clazz,
                    "height:" + height + "px;" +
                    "width:" + selection.width + (extraLength || 0) + "px;" +
                    "top:" + top + "px;" +
                    "left:" + (padding + selection.left) + "px;" + (extraStyle || "")
                );
            }, this);
        };

        this.drawFullLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
            var top = this.$getTop(range.start.row, config);
            var height = config.lineHeight;
            if (range.start.row != range.end.row)
                height += this.$getTop(range.end.row, config) - top;

            this.elt(
                clazz,
                "height:"+ height+ "px;"+
                "top:"+ top+ "px;"+
                "left:0;right:0;"+ (extraStyle || "")
            );
        };

        this.drawScreenLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
            var top = this.$getTop(range.start.row, config);
            var height = config.lineHeight;

            this.elt(
                clazz,
                "height:"+ height+ "px;"+
                "top:"+ top+ "px;"+
                "left:0;right:0;"+ (extraStyle || "")
            );
        };

    }).call(Marker.prototype);

    exports.Marker = Marker;

});

define("ace/layer/text",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/layer/lines","ace/lib/event_emitter"], function(require, exports, module) {
    "use strict";

    var oop = require("../lib/oop");
    var dom = require("../lib/dom");
    var lang = require("../lib/lang");
    var Lines = require("./lines").Lines;
    var EventEmitter = require("../lib/event_emitter").EventEmitter;

    var Text = function(parentEl) {
        this.dom = dom;
        this.element = this.dom.createElement("div");
        this.element.className = "ace_layer ace_text-layer";
        parentEl.appendChild(this.element);
        this.$updateEolChar = this.$updateEolChar.bind(this);
        this.$lines = new Lines(this.element);
    };

    (function() {

        oop.implement(this, EventEmitter);

        this.EOF_CHAR = "\xB6";
        this.EOL_CHAR_LF = "\xAC";
        this.EOL_CHAR_CRLF = "\xa4";
        this.EOL_CHAR = this.EOL_CHAR_LF;
        this.TAB_CHAR = "\u2014"; //"\u21E5";
        this.SPACE_CHAR = "\xB7";
        this.$padding = 0;
        this.MAX_LINE_LENGTH = 10000;

        this.$updateEolChar = function() {
            var doc = this.session.doc;
            var unixMode = doc.getNewLineCharacter() == "\n" && doc.getNewLineMode() != "windows";
            var EOL_CHAR = unixMode ? this.EOL_CHAR_LF : this.EOL_CHAR_CRLF;
            if (this.EOL_CHAR != EOL_CHAR) {
                this.EOL_CHAR = EOL_CHAR;
                return true;
            }
        };

        this.setPadding = function(padding) {
            this.$padding = padding;
            this.element.style.margin = "0 " + padding + "px";
        };

        this.getLineHeight = function() {
            return this.$fontMetrics.$characterSize.height || 0;
        };

        this.getCharacterWidth = function() {
            return this.$fontMetrics.$characterSize.width || 0;
        };

        this.$setFontMetrics = function(measure) {
            this.$fontMetrics = measure;
            this.$fontMetrics.on("changeCharacterSize", function(e) {
                this._signal("changeCharacterSize", e);
            }.bind(this));
            this.$pollSizeChanges();
        };

        this.checkForSizeChanges = function() {
            this.$fontMetrics.checkForSizeChanges();
        };
        this.$pollSizeChanges = function() {
            return this.$pollSizeChangesTimer = this.$fontMetrics.$pollSizeChanges();
        };
        this.setSession = function(session) {
            this.session = session;
            if (session)
                this.$computeTabString();
        };

        this.showInvisibles = false;
        this.showSpaces = false;
        this.showTabs = false;
        this.showEOL = false;
        this.setShowInvisibles = function(showInvisibles) {
            if (this.showInvisibles == showInvisibles)
                return false;

            this.showInvisibles = showInvisibles;
            if (typeof showInvisibles == "string") {
                this.showSpaces = /tab/i.test(showInvisibles);
                this.showTabs = /space/i.test(showInvisibles);
                this.showEOL = /eol/i.test(showInvisibles);
            } else {
                this.showSpaces = this.showTabs = this.showEOL = showInvisibles;
            }
            this.$computeTabString();
            return true;
        };

        this.displayIndentGuides = true;
        this.setDisplayIndentGuides = function(display) {
            if (this.displayIndentGuides == display)
                return false;

            this.displayIndentGuides = display;
            this.$computeTabString();
            return true;
        };

        this.$tabStrings = [];
        this.onChangeTabSize =
            this.$computeTabString = function() {
                var tabSize = this.session.getTabSize();
                this.tabSize = tabSize;
                var tabStr = this.$tabStrings = [0];
                for (var i = 1; i < tabSize + 1; i++) {
                    if (this.showTabs) {
                        var span = this.dom.createElement("span");
                        span.className = "ace_invisible ace_invisible_tab";
                        span.textContent = lang.stringRepeat(this.TAB_CHAR, i);
                        tabStr.push(span);
                    } else {
                        tabStr.push(this.dom.createTextNode(lang.stringRepeat(" ", i), this.element));
                    }
                }
                if (this.displayIndentGuides) {
                    this.$indentGuideRe =  /\s\S| \t|\t |\s$/;
                    var className = "ace_indent-guide";
                    var spaceClass = this.showSpaces ? " ace_invisible ace_invisible_space" : "";
                    var spaceContent = this.showSpaces
                        ? lang.stringRepeat(this.SPACE_CHAR, this.tabSize)
                        : lang.stringRepeat(" ", this.tabSize);

                    var tabClass = this.showTabs ? " ace_invisible ace_invisible_tab" : "";
                    var tabContent = this.showTabs
                        ? lang.stringRepeat(this.TAB_CHAR, this.tabSize)
                        : spaceContent;

                    var span = this.dom.createElement("span");
                    span.className = className + spaceClass;
                    span.textContent = spaceContent;
                    this.$tabStrings[" "] = span;

                    var span = this.dom.createElement("span");
                    span.className = className + tabClass;
                    span.textContent = tabContent;
                    this.$tabStrings["\t"] = span;
                }
            };

        this.updateLines = function(config, firstRow, lastRow) {
            if (this.config.lastRow != config.lastRow ||
                this.config.firstRow != config.firstRow) {
                return this.update(config);
            }

            this.config = config;

            var first = Math.max(firstRow, config.firstRow);
            var last = Math.min(lastRow, config.lastRow);

            var lineElements = this.element.childNodes;
            var lineElementsIdx = 0;

            for (var row = config.firstRow; row < first; row++) {
                var foldLine = this.session.getFoldLine(row);
                if (foldLine) {
                    if (foldLine.containsRow(first)) {
                        first = foldLine.start.row;
                        break;
                    } else {
                        row = foldLine.end.row;
                    }
                }
                lineElementsIdx ++;
            }

            var heightChanged = false;
            var row = first;
            var foldLine = this.session.getNextFoldLine(row);
            var foldStart = foldLine ? foldLine.start.row : Infinity;

            while (true) {
                if (row > foldStart) {
                    row = foldLine.end.row+1;
                    foldLine = this.session.getNextFoldLine(row, foldLine);
                    foldStart = foldLine ? foldLine.start.row :Infinity;
                }
                if (row > last)
                    break;

                var lineElement = lineElements[lineElementsIdx++];
                if (lineElement) {
                    this.dom.removeChildren(lineElement);
                    this.$renderLine(
                        lineElement, row, row == foldStart ? foldLine : false
                    );

                    if (heightChanged)
                        lineElement.style.top = this.$lines.computeLineTop(row, config, this.session) + "px";

                    var height = (config.lineHeight * this.session.getRowLength(row)) + "px";
                    if (lineElement.style.height != height) {
                        heightChanged = true;
                        lineElement.style.height = height;
                    }
                }
                row++;
            }
            if (heightChanged) {
                while (lineElementsIdx < this.$lines.cells.length) {
                    var cell = this.$lines.cells[lineElementsIdx++];
                    cell.element.style.top = this.$lines.computeLineTop(cell.row, config, this.session) + "px";
                }
            }
        };

        this.scrollLines = function(config) {
            var oldConfig = this.config;
            this.config = config;

            if (this.$lines.pageChanged(oldConfig, config))
                return this.update(config);

            this.$lines.moveContainer(config);

            var lastRow = config.lastRow;
            var oldLastRow = oldConfig ? oldConfig.lastRow : -1;

            if (!oldConfig || oldLastRow < config.firstRow)
                return this.update(config);

            if (lastRow < oldConfig.firstRow)
                return this.update(config);

            if (!oldConfig || oldConfig.lastRow < config.firstRow)
                return this.update(config);

            if (config.lastRow < oldConfig.firstRow)
                return this.update(config);

            if (oldConfig.firstRow < config.firstRow)
                for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)
                    this.$lines.shift();

            if (oldConfig.lastRow > config.lastRow)
                for (var row=this.session.getFoldedRowCount(config.lastRow + 1, oldConfig.lastRow); row>0; row--)
                    this.$lines.pop();

            if (config.firstRow < oldConfig.firstRow) {
                this.$lines.unshift(this.$renderLinesFragment(config, config.firstRow, oldConfig.firstRow - 1));
            }

            if (config.lastRow > oldConfig.lastRow) {
                this.$lines.push(this.$renderLinesFragment(config, oldConfig.lastRow + 1, config.lastRow));
            }
        };

        this.$renderLinesFragment = function(config, firstRow, lastRow) {
            var fragment = [];
            var row = firstRow;
            var foldLine = this.session.getNextFoldLine(row);
            var foldStart = foldLine ? foldLine.start.row : Infinity;

            while (true) {
                if (row > foldStart) {
                    row = foldLine.end.row+1;
                    foldLine = this.session.getNextFoldLine(row, foldLine);
                    foldStart = foldLine ? foldLine.start.row : Infinity;
                }
                if (row > lastRow)
                    break;

                var line = this.$lines.createCell(row, config, this.session);

                var lineEl = line.element;
                this.dom.removeChildren(lineEl);
                dom.setStyle(lineEl.style, "height", this.$lines.computeLineHeight(row, config, this.session) + "px");
                dom.setStyle(lineEl.style, "top", this.$lines.computeLineTop(row, config, this.session) + "px");
                this.$renderLine(lineEl, row, row == foldStart ? foldLine : false);

                if (this.$useLineGroups()) {
                    lineEl.className = "ace_line_group";
                } else {
                    lineEl.className = "ace_line";
                }
                fragment.push(line);

                row++;
            }
            return fragment;
        };

        this.update = function(config) {
            this.$lines.moveContainer(config);

            this.config = config;

            var firstRow = config.firstRow;
            var lastRow = config.lastRow;

            var lines = this.$lines;
            while (lines.getLength())
                lines.pop();

            lines.push(this.$renderLinesFragment(config, firstRow, lastRow));
        };

        this.$textToken = {
            "text": true,
            "rparen": true,
            "lparen": true
        };

        this.$renderToken = function(parent, screenColumn, token, value) {
            var self = this;
            var re = /(\t)|( +)|([\x00-\x1f\x80-\xa0\xad\u1680\u180E\u2000-\u200f\u2028\u2029\u202F\u205F\uFEFF\uFFF9-\uFFFC\u2066\u2067\u2068\u202A\u202B\u202D\u202E\u202C\u2069]+)|(\u3000)|([\u1100-\u115F\u11A3-\u11A7\u11FA-\u11FF\u2329-\u232A\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3001-\u303E\u3041-\u3096\u3099-\u30FF\u3105-\u312D\u3131-\u318E\u3190-\u31BA\u31C0-\u31E3\u31F0-\u321E\u3220-\u3247\u3250-\u32FE\u3300-\u4DBF\u4E00-\uA48C\uA490-\uA4C6\uA960-\uA97C\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFAFF\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFF01-\uFF60\uFFE0-\uFFE6]|[\uD800-\uDBFF][\uDC00-\uDFFF])/g;

            var valueFragment = this.dom.createFragment(this.element);

            var m;
            var i = 0;
            while (m = re.exec(value)) {
                var tab = m[1];
                var simpleSpace = m[2];
                var controlCharacter = m[3];
                var cjkSpace = m[4];
                var cjk = m[5];

                if (!self.showSpaces && simpleSpace)
                    continue;

                var before = i != m.index ? value.slice(i, m.index) : "";

                i = m.index + m[0].length;

                if (before) {
                    valueFragment.appendChild(this.dom.createTextNode(before, this.element));
                }

                if (tab) {
                    var tabSize = self.session.getScreenTabSize(screenColumn + m.index);
                    valueFragment.appendChild(self.$tabStrings[tabSize].cloneNode(true));
                    screenColumn += tabSize - 1;
                } else if (simpleSpace) {
                    if (self.showSpaces) {
                        var span = this.dom.createElement("span");
                        span.className = "ace_invisible ace_invisible_space";
                        span.textContent = lang.stringRepeat(self.SPACE_CHAR, simpleSpace.length);
                        valueFragment.appendChild(span);
                    } else {
                        valueFragment.appendChild(this.com.createTextNode(simpleSpace, this.element));
                    }
                } else if (controlCharacter) {
                    var span = this.dom.createElement("span");
                    span.className = "ace_invisible ace_invisible_space ace_invalid";
                    span.textContent = lang.stringRepeat(self.SPACE_CHAR, controlCharacter.length);
                    valueFragment.appendChild(span);
                } else if (cjkSpace) {
                    screenColumn += 1;

                    var span = this.dom.createElement("span");
                    span.style.width = (self.config.characterWidth * 2) + "px";
                    span.className = self.showSpaces ? "ace_cjk ace_invisible ace_invisible_space" : "ace_cjk";
                    span.textContent = self.showSpaces ? self.SPACE_CHAR : cjkSpace;
                    valueFragment.appendChild(span);
                } else if (cjk) {
                    screenColumn += 1;
                    var span = this.dom.createElement("span");
                    span.style.width = (self.config.characterWidth * 2) + "px";
                    span.className = "ace_cjk";
                    span.textContent = cjk;
                    valueFragment.appendChild(span);
                }
            }

            valueFragment.appendChild(this.dom.createTextNode(i ? value.slice(i) : value, this.element));

            if (!this.$textToken[token.type]) {
                var classes = "ace_" + token.type.replace(/\./g, " ace_");
                var span = this.dom.createElement("span");
                if (token.type == "fold")
                    span.style.width = (token.value.length * this.config.characterWidth) + "px";

                span.className = classes;
                span.appendChild(valueFragment);

                parent.appendChild(span);
            }
            else {
                parent.appendChild(valueFragment);
            }

            return screenColumn + value.length;
        };

        this.renderIndentGuide = function(parent, value, max) {
            var cols = value.search(this.$indentGuideRe);
            if (cols <= 0 || cols >= max)
                return value;
            if (value[0] == " ") {
                cols -= cols % this.tabSize;
                var count = cols/this.tabSize;
                for (var i=0; i<count; i++) {
                    parent.appendChild(this.$tabStrings[" "].cloneNode(true));
                }
                return value.substr(cols);
            } else if (value[0] == "\t") {
                for (var i=0; i<cols; i++) {
                    parent.appendChild(this.$tabStrings["\t"].cloneNode(true));
                }
                return value.substr(cols);
            }
            return value;
        };

        this.$createLineElement = function(parent) {
            var lineEl = this.dom.createElement("div");
            lineEl.className = "ace_line";
            lineEl.style.height = this.config.lineHeight + "px";

            return lineEl;
        };

        this.$renderWrappedLine = function(parent, tokens, splits) {
            var chars = 0;
            var split = 0;
            var splitChars = splits[0];
            var screenColumn = 0;

            var lineEl = this.$createLineElement();
            parent.appendChild(lineEl);

            for (var i = 0; i < tokens.length; i++) {
                var token = tokens[i];
                var value = token.value;
                if (i == 0 && this.displayIndentGuides) {
                    chars = value.length;
                    value = this.renderIndentGuide(lineEl, value, splitChars);
                    if (!value)
                        continue;
                    chars -= value.length;
                }

                if (chars + value.length < splitChars) {
                    screenColumn = this.$renderToken(lineEl, screenColumn, token, value);
                    chars += value.length;
                } else {
                    while (chars + value.length >= splitChars) {
                        screenColumn = this.$renderToken(
                            lineEl, screenColumn,
                            token, value.substring(0, splitChars - chars)
                        );
                        value = value.substring(splitChars - chars);
                        chars = splitChars;

                        lineEl = this.$createLineElement();
                        parent.appendChild(lineEl);

                        lineEl.appendChild(this.dom.createTextNode(lang.stringRepeat("\xa0", splits.indent), this.element));

                        split ++;
                        screenColumn = 0;
                        splitChars = splits[split] || Number.MAX_VALUE;
                    }
                    if (value.length != 0) {
                        chars += value.length;
                        screenColumn = this.$renderToken(
                            lineEl, screenColumn, token, value
                        );
                    }
                }
            }

            if (splits[splits.length - 1] > this.MAX_LINE_LENGTH)
                this.$renderOverflowMessage(lineEl, screenColumn, null, "", true);
        };

        this.$renderSimpleLine = function(parent, tokens) {
            var screenColumn = 0;

            for (var i = 0; i < tokens.length; i++) {
                var token = tokens[i];
                var value = token.value;
                if (i == 0 && this.displayIndentGuides) {
                    value = this.renderIndentGuide(parent, value);
                    if (!value)
                        continue;
                }
                if (screenColumn + value.length > this.MAX_LINE_LENGTH)
                    return this.$renderOverflowMessage(parent, screenColumn, token, value);
                screenColumn = this.$renderToken(parent, screenColumn, token, value);
            }
        };

        this.$renderOverflowMessage = function(parent, screenColumn, token, value, hide) {
            token && this.$renderToken(parent, screenColumn, token,
                value.slice(0, this.MAX_LINE_LENGTH - screenColumn));

            var overflowEl = this.dom.createElement("span");
            overflowEl.className = "ace_inline_button ace_keyword ace_toggle_wrap";
            overflowEl.textContent = hide ? "<hide>" : "<click to see more...>";

            parent.appendChild(overflowEl);
        };
        this.$renderLine = function(parent, row, foldLine) {
            if (!foldLine && foldLine != false)
                foldLine = this.session.getFoldLine(row);

            if (foldLine)
                var tokens = this.$getFoldLineTokens(row, foldLine);
            else
                var tokens = this.session.getTokens(row);

            var lastLineEl = parent;
            if (tokens.length) {
                var splits = this.session.getRowSplitData(row);
                if (splits && splits.length) {
                    this.$renderWrappedLine(parent, tokens, splits);
                    var lastLineEl = parent.lastChild;
                } else {
                    var lastLineEl = parent;
                    if (this.$useLineGroups()) {
                        lastLineEl = this.$createLineElement();
                        parent.appendChild(lastLineEl);
                    }
                    this.$renderSimpleLine(lastLineEl, tokens);
                }
            } else if (this.$useLineGroups()) {
                lastLineEl = this.$createLineElement();
                parent.appendChild(lastLineEl);
            }

            if (this.showEOL && lastLineEl) {
                if (foldLine)
                    row = foldLine.end.row;

                var invisibleEl = this.dom.createElement("span");
                invisibleEl.className = "ace_invisible ace_invisible_eol";
                invisibleEl.textContent = row == this.session.getLength() - 1 ? this.EOF_CHAR : this.EOL_CHAR;

                lastLineEl.appendChild(invisibleEl);
            }
        };

        this.$getFoldLineTokens = function(row, foldLine) {
            var session = this.session;
            var renderTokens = [];

            function addTokens(tokens, from, to) {
                var idx = 0, col = 0;
                while ((col + tokens[idx].value.length) < from) {
                    col += tokens[idx].value.length;
                    idx++;

                    if (idx == tokens.length)
                        return;
                }
                if (col != from) {
                    var value = tokens[idx].value.substring(from - col);
                    if (value.length > (to - from))
                        value = value.substring(0, to - from);

                    renderTokens.push({
                        type: tokens[idx].type,
                        value: value
                    });

                    col = from + value.length;
                    idx += 1;
                }

                while (col < to && idx < tokens.length) {
                    var value = tokens[idx].value;
                    if (value.length + col > to) {
                        renderTokens.push({
                            type: tokens[idx].type,
                            value: value.substring(0, to - col)
                        });
                    } else
                        renderTokens.push(tokens[idx]);
                    col += value.length;
                    idx += 1;
                }
            }

            var tokens = session.getTokens(row);
            foldLine.walk(function(placeholder, row, column, lastColumn, isNewRow) {
                if (placeholder != null) {
                    renderTokens.push({
                        type: "fold",
                        value: placeholder
                    });
                } else {
                    if (isNewRow)
                        tokens = session.getTokens(row);

                    if (tokens.length)
                        addTokens(tokens, lastColumn, column);
                }
            }, foldLine.end.row, this.session.getLine(foldLine.end.row).length);

            return renderTokens;
        };

        this.$useLineGroups = function() {
            return this.session.getUseWrapMode();
        };

        this.destroy = function() {};
    }).call(Text.prototype);

    exports.Text = Text;

});

define("ace/layer/cursor",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    var dom = require("../lib/dom");

    var Cursor = function(parentEl) {
        this.element = dom.createElement("div");
        this.element.className = "ace_layer ace_cursor-layer";
        parentEl.appendChild(this.element);

        this.isVisible = false;
        this.isBlinking = true;
        this.blinkInterval = 1000;
        this.smoothBlinking = false;

        this.cursors = [];
        this.cursor = this.addCursor();
        dom.addCssClass(this.element, "ace_hidden-cursors");
        this.$updateCursors = this.$updateOpacity.bind(this);
    };

    (function() {

        this.$updateOpacity = function(val) {
            var cursors = this.cursors;
            for (var i = cursors.length; i--; )
                dom.setStyle(cursors[i].style, "opacity", val ? "" : "0");
        };

        this.$startCssAnimation = function() {
            var cursors = this.cursors;
            for (var i = cursors.length; i--; )
                cursors[i].style.animationDuration = this.blinkInterval + "ms";

            this.$isAnimating = true;
            setTimeout(function() {
                if (this.$isAnimating) {
                    dom.addCssClass(this.element, "ace_animate-blinking");
                }
            }.bind(this));
        };

        this.$stopCssAnimation = function() {
            this.$isAnimating = false;
            dom.removeCssClass(this.element, "ace_animate-blinking");
        };

        this.$padding = 0;
        this.setPadding = function(padding) {
            this.$padding = padding;
        };

        this.setSession = function(session) {
            this.session = session;
        };

        this.setBlinking = function(blinking) {
            if (blinking != this.isBlinking) {
                this.isBlinking = blinking;
                this.restartTimer();
            }
        };

        this.setBlinkInterval = function(blinkInterval) {
            if (blinkInterval != this.blinkInterval) {
                this.blinkInterval = blinkInterval;
                this.restartTimer();
            }
        };

        this.setSmoothBlinking = function(smoothBlinking) {
            if (smoothBlinking != this.smoothBlinking) {
                this.smoothBlinking = smoothBlinking;
                dom.setCssClass(this.element, "ace_smooth-blinking", smoothBlinking);
                this.$updateCursors(true);
                this.restartTimer();
            }
        };

        this.addCursor = function() {
            var el = dom.createElement("div");
            el.className = "ace_cursor";
            this.element.appendChild(el);
            this.cursors.push(el);
            return el;
        };

        this.removeCursor = function() {
            if (this.cursors.length > 1) {
                var el = this.cursors.pop();
                el.parentNode.removeChild(el);
                return el;
            }
        };

        this.hideCursor = function() {
            this.isVisible = false;
            dom.addCssClass(this.element, "ace_hidden-cursors");
            this.restartTimer();
        };

        this.showCursor = function() {
            this.isVisible = true;
            dom.removeCssClass(this.element, "ace_hidden-cursors");
            this.restartTimer();
        };

        this.restartTimer = function() {
            var update = this.$updateCursors;
            clearInterval(this.intervalId);
            clearTimeout(this.timeoutId);
            this.$stopCssAnimation();

            if (this.smoothBlinking) {
                this.$isSmoothBlinking = false;
                dom.removeCssClass(this.element, "ace_smooth-blinking");
            }

            update(true);

            if (!this.isBlinking || !this.blinkInterval || !this.isVisible) {
                this.$stopCssAnimation();
                return;
            }

            if (this.smoothBlinking) {
                this.$isSmoothBlinking = true;
                setTimeout(function() {
                    if (this.$isSmoothBlinking) {
                        dom.addCssClass(this.element, "ace_smooth-blinking");
                    }
                }.bind(this));
            }

            if (dom.HAS_CSS_ANIMATION) {
                this.$startCssAnimation();
            } else {
                var blink = function(){
                    this.timeoutId = setTimeout(function() {
                        update(false);
                    }, 0.6 * this.blinkInterval);
                }.bind(this);

                this.intervalId = setInterval(function() {
                    update(true);
                    blink();
                }, this.blinkInterval);
                blink();
            }
        };

        this.getPixelPosition = function(position, onScreen) {
            if (!this.config || !this.session)
                return {left : 0, top : 0};

            if (!position)
                position = this.session.selection.getCursor();
            var pos = this.session.documentToScreenPosition(position);
            var cursorLeft = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, position.row)
                ? this.session.$bidiHandler.getPosLeft(pos.column)
                : pos.column * this.config.characterWidth);

            var cursorTop = (pos.row - (onScreen ? this.config.firstRowScreen : 0)) *
                this.config.lineHeight;

            return {left : cursorLeft, top : cursorTop};
        };

        this.isCursorInView = function(pixelPos, config) {
            return pixelPos.top >= 0 && pixelPos.top < config.maxHeight;
        };

        this.update = function(config) {
            this.config = config;

            var selections = this.session.$selectionMarkers;
            var i = 0, cursorIndex = 0;

            if (selections === undefined || selections.length === 0){
                selections = [{cursor: null}];
            }

            for (var i = 0, n = selections.length; i < n; i++) {
                var pixelPos = this.getPixelPosition(selections[i].cursor, true);
                if ((pixelPos.top > config.height + config.offset ||
                    pixelPos.top < 0) && i > 1) {
                    continue;
                }

                var element = this.cursors[cursorIndex++] || this.addCursor();
                var style = element.style;

                if (!this.drawCursor) {
                    if (!this.isCursorInView(pixelPos, config)) {
                        dom.setStyle(style, "display", "none");
                    } else {
                        dom.setStyle(style, "display", "block");
                        dom.translate(element, pixelPos.left, pixelPos.top);
                        dom.setStyle(style, "width", Math.round(config.characterWidth) + "px");
                        dom.setStyle(style, "height", config.lineHeight + "px");
                    }
                } else {
                    this.drawCursor(element, pixelPos, config, selections[i], this.session);
                }
            }
            while (this.cursors.length > cursorIndex)
                this.removeCursor();

            var overwrite = this.session.getOverwrite();
            this.$setOverwrite(overwrite);
            this.$pixelPos = pixelPos;
            this.restartTimer();
        };

        this.drawCursor = null;

        this.$setOverwrite = function(overwrite) {
            if (overwrite != this.overwrite) {
                this.overwrite = overwrite;
                if (overwrite)
                    dom.addCssClass(this.element, "ace_overwrite-cursors");
                else
                    dom.removeCssClass(this.element, "ace_overwrite-cursors");
            }
        };

        this.destroy = function() {
            clearInterval(this.intervalId);
            clearTimeout(this.timeoutId);
        };

    }).call(Cursor.prototype);

    exports.Cursor = Cursor;

});

define("ace/scrollbar",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/event","ace/lib/event_emitter"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var dom = require("./lib/dom");
    var event = require("./lib/event");
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var MAX_SCROLL_H = 0x8000;
    var ScrollBar = function(parent) {
        this.element = dom.createElement("div");
        this.element.className = "ace_scrollbar ace_scrollbar" + this.classSuffix;

        this.inner = dom.createElement("div");
        this.inner.className = "ace_scrollbar-inner";
        this.inner.textContent = "\xa0";
        this.element.appendChild(this.inner);

        parent.appendChild(this.element);

        this.setVisible(false);
        this.skipEvent = false;

        event.addListener(this.element, "scroll", this.onScroll.bind(this));
        event.addListener(this.element, "mousedown", event.preventDefault);
    };

    (function() {
        oop.implement(this, EventEmitter);

        this.setVisible = function(isVisible) {
            this.element.style.display = isVisible ? "" : "none";
            this.isVisible = isVisible;
            this.coeff = 1;
        };
    }).call(ScrollBar.prototype);
    var VScrollBar = function(parent, renderer) {
        ScrollBar.call(this, parent);
        this.scrollTop = 0;
        this.scrollHeight = 0;
        renderer.$scrollbarWidth =
            this.width = dom.scrollbarWidth(parent.ownerDocument);
        this.inner.style.width =
            this.element.style.width = (this.width || 15) + 5 + "px";
        this.$minWidth = 0;
    };

    oop.inherits(VScrollBar, ScrollBar);

    (function() {

        this.classSuffix = '-v';
        this.onScroll = function() {
            if (!this.skipEvent) {
                this.scrollTop = this.element.scrollTop;
                if (this.coeff != 1) {
                    var h = this.element.clientHeight / this.scrollHeight;
                    this.scrollTop = this.scrollTop * (1 - h) / (this.coeff - h);
                }
                this._emit("scroll", {data: this.scrollTop});
            }
            this.skipEvent = false;
        };
        this.getWidth = function() {
            return Math.max(this.isVisible ? this.width : 0, this.$minWidth || 0);
        };
        this.setHeight = function(height) {
            this.element.style.height = height + "px";
        };
        this.setInnerHeight =
            this.setScrollHeight = function(height) {
                this.scrollHeight = height;
                if (height > MAX_SCROLL_H) {
                    this.coeff = MAX_SCROLL_H / height;
                    height = MAX_SCROLL_H;
                } else if (this.coeff != 1) {
                    this.coeff = 1;
                }
                this.inner.style.height = height + "px";
            };
        this.setScrollTop = function(scrollTop) {
            if (this.scrollTop != scrollTop) {
                this.skipEvent = true;
                this.scrollTop = scrollTop;
                this.element.scrollTop = scrollTop * this.coeff;
            }
        };

    }).call(VScrollBar.prototype);
    var HScrollBar = function(parent, renderer) {
        ScrollBar.call(this, parent);
        this.scrollLeft = 0;
        this.height = renderer.$scrollbarWidth;
        this.inner.style.height =
            this.element.style.height = (this.height || 15) + 5 + "px";
    };

    oop.inherits(HScrollBar, ScrollBar);

    (function() {

        this.classSuffix = '-h';
        this.onScroll = function() {
            if (!this.skipEvent) {
                this.scrollLeft = this.element.scrollLeft;
                this._emit("scroll", {data: this.scrollLeft});
            }
            this.skipEvent = false;
        };
        this.getHeight = function() {
            return this.isVisible ? this.height : 0;
        };
        this.setWidth = function(width) {
            this.element.style.width = width + "px";
        };
        this.setInnerWidth = function(width) {
            this.inner.style.width = width + "px";
        };
        this.setScrollWidth = function(width) {
            this.inner.style.width = width + "px";
        };
        this.setScrollLeft = function(scrollLeft) {
            if (this.scrollLeft != scrollLeft) {
                this.skipEvent = true;
                this.scrollLeft = this.element.scrollLeft = scrollLeft;
            }
        };

    }).call(HScrollBar.prototype);


    exports.ScrollBar = VScrollBar; // backward compatibility
    exports.ScrollBarV = VScrollBar; // backward compatibility
    exports.ScrollBarH = HScrollBar; // backward compatibility

    exports.VScrollBar = VScrollBar;
    exports.HScrollBar = HScrollBar;
});

define("ace/renderloop",["require","exports","module","ace/lib/event"], function(require, exports, module) {
    "use strict";

    var event = require("./lib/event");


    var RenderLoop = function(onRender, win) {
        this.onRender = onRender;
        this.pending = false;
        this.changes = 0;
        this.$recursionLimit = 2;
        this.window = win || window;
        var _self = this;
        this._flush = function(ts) {
            _self.pending = false;
            var changes = _self.changes;

            if (changes) {
                event.blockIdle(100);
                _self.changes = 0;
                _self.onRender(changes);
            }

            if (_self.changes) {
                if (_self.$recursionLimit-- < 0) return;
                _self.schedule();
            } else {
                _self.$recursionLimit = 2;
            }
        };
    };

    (function() {

        this.schedule = function(change) {
            this.changes = this.changes | change;
            if (this.changes && !this.pending) {
                event.nextFrame(this._flush);
                this.pending = true;
            }
        };

        this.clear = function(change) {
            var changes = this.changes;
            this.changes = 0;
            return changes;
        };

    }).call(RenderLoop.prototype);

    exports.RenderLoop = RenderLoop;
});

define("ace/layer/font_metrics",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/event","ace/lib/useragent","ace/lib/event_emitter"], function(require, exports, module) {

    var oop = require("../lib/oop");
    var dom = require("../lib/dom");
    var lang = require("../lib/lang");
    var event = require("../lib/event");
    var useragent = require("../lib/useragent");
    var EventEmitter = require("../lib/event_emitter").EventEmitter;

    var CHAR_COUNT = 256;
    var USE_OBSERVER = typeof ResizeObserver == "function";
    var L = 200;

    var FontMetrics = exports.FontMetrics = function(parentEl) {
        this.el = dom.createElement("div");
        this.$setMeasureNodeStyles(this.el.style, true);

        this.$main = dom.createElement("div");
        this.$setMeasureNodeStyles(this.$main.style);

        this.$measureNode = dom.createElement("div");
        this.$setMeasureNodeStyles(this.$measureNode.style);


        this.el.appendChild(this.$main);
        this.el.appendChild(this.$measureNode);
        parentEl.appendChild(this.el);

        this.$measureNode.textContent = lang.stringRepeat("X", CHAR_COUNT);

        this.$characterSize = {width: 0, height: 0};


        if (USE_OBSERVER)
            this.$addObserver();
        else
            this.checkForSizeChanges();
    };

    (function() {

        oop.implement(this, EventEmitter);

        this.$characterSize = {width: 0, height: 0};

        this.$setMeasureNodeStyles = function(style, isRoot) {
            style.width = style.height = "auto";
            style.left = style.top = "0px";
            style.visibility = "hidden";
            style.position = "absolute";
            style.whiteSpace = "pre";

            if (useragent.isIE < 8) {
                style["font-family"] = "inherit";
            } else {
                style.font = "inherit";
            }
            style.overflow = isRoot ? "hidden" : "visible";
        };

        this.checkForSizeChanges = function(size) {
            if (size === undefined)
                size = this.$measureSizes();
            if (size && (this.$characterSize.width !== size.width || this.$characterSize.height !== size.height)) {
                this.$measureNode.style.fontWeight = "bold";
                var boldSize = this.$measureSizes();
                this.$measureNode.style.fontWeight = "";
                this.$characterSize = size;
                this.charSizes = Object.create(null);
                this.allowBoldFonts = boldSize && boldSize.width === size.width && boldSize.height === size.height;
                this._emit("changeCharacterSize", {data: size});
            }
        };

        this.$addObserver = function() {
            var self = this;
            this.$observer = new window.ResizeObserver(function(e) {
                self.checkForSizeChanges();
            });
            this.$observer.observe(this.$measureNode);
        };

        this.$pollSizeChanges = function() {
            if (this.$pollSizeChangesTimer || this.$observer)
                return this.$pollSizeChangesTimer;
            var self = this;

            return this.$pollSizeChangesTimer = event.onIdle(function cb() {
                self.checkForSizeChanges();
                event.onIdle(cb, 500);
            }, 500);
        };

        this.setPolling = function(val) {
            if (val) {
                this.$pollSizeChanges();
            } else if (this.$pollSizeChangesTimer) {
                clearInterval(this.$pollSizeChangesTimer);
                this.$pollSizeChangesTimer = 0;
            }
        };

        this.$measureSizes = function(node) {
            var size = {
                height: (node || this.$measureNode).clientHeight,
                width: (node || this.$measureNode).clientWidth / CHAR_COUNT
            };
            if (size.width === 0 || size.height === 0)
                return null;
            return size;
        };

        this.$measureCharWidth = function(ch) {
            this.$main.textContent = lang.stringRepeat(ch, CHAR_COUNT);
            var rect = this.$main.getBoundingClientRect();
            return rect.width / CHAR_COUNT;
        };

        this.getCharacterWidth = function(ch) {
            var w = this.charSizes[ch];
            if (w === undefined) {
                w = this.charSizes[ch] = this.$measureCharWidth(ch) / this.$characterSize.width;
            }
            return w;
        };

        this.destroy = function() {
            clearInterval(this.$pollSizeChangesTimer);
            if (this.$observer)
                this.$observer.disconnect();
            if (this.el && this.el.parentNode)
                this.el.parentNode.removeChild(this.el);
        };


        this.$getZoom = function getZoom(element) {
            if (!element || !element.parentElement) return 1;
            return (window.getComputedStyle(element).zoom || 1) * getZoom(element.parentElement);
        };
        this.$initTransformMeasureNodes = function() {
            var t = function(t, l) {
                return ["div", {
                    style: "position: absolute;top:" + t + "px;left:" + l + "px;"
                }];
            };
            this.els = dom.buildDom([t(0, 0), t(L, 0), t(0, L), t(L, L)], this.el);
        };
        this.transformCoordinates = function(clientPos, elPos) {
            if (clientPos) {
                var zoom = this.$getZoom(this.el);
                clientPos = mul(1 / zoom, clientPos);
            }
            function solve(l1, l2, r) {
                var det = l1[1] * l2[0] - l1[0] * l2[1];
                return [
                    (-l2[1] * r[0] + l2[0] * r[1]) / det,
                    (+l1[1] * r[0] - l1[0] * r[1]) / det
                ];
            }
            function sub(a, b) { return [a[0] - b[0], a[1] - b[1]]; }
            function add(a, b) { return [a[0] + b[0], a[1] + b[1]]; }
            function mul(a, b) { return [a * b[0], a * b[1]]; }

            if (!this.els)
                this.$initTransformMeasureNodes();

            function p(el) {
                var r = el.getBoundingClientRect();
                return [r.left, r.top];
            }

            var a = p(this.els[0]);
            var b = p(this.els[1]);
            var c = p(this.els[2]);
            var d = p(this.els[3]);

            var h = solve(sub(d, b), sub(d, c), sub(add(b, c), add(d, a)));

            var m1 = mul(1 + h[0], sub(b, a));
            var m2 = mul(1 + h[1], sub(c, a));

            if (elPos) {
                var x = elPos;
                var k = h[0] * x[0] / L + h[1] * x[1] / L + 1;
                var ut = add(mul(x[0], m1), mul(x[1], m2));
                return  add(mul(1 / k / L, ut), a);
            }
            var u = sub(clientPos, a);
            var f = solve(sub(m1, mul(h[0], u)), sub(m2, mul(h[1], u)), u);
            return mul(L, f);
        };

    }).call(FontMetrics.prototype);

});

define("ace/virtual_renderer",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/config","ace/layer/gutter","ace/layer/marker","ace/layer/text","ace/layer/cursor","ace/scrollbar","ace/scrollbar","ace/renderloop","ace/layer/font_metrics","ace/lib/event_emitter","ace/lib/useragent"], function(require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var dom = require("./lib/dom");
    var config = require("./config");
    var GutterLayer = require("./layer/gutter").Gutter;
    var MarkerLayer = require("./layer/marker").Marker;
    var TextLayer = require("./layer/text").Text;
    var CursorLayer = require("./layer/cursor").Cursor;
    var HScrollBar = require("./scrollbar").HScrollBar;
    var VScrollBar = require("./scrollbar").VScrollBar;
    var RenderLoop = require("./renderloop").RenderLoop;
    var FontMetrics = require("./layer/font_metrics").FontMetrics;
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var editorCss = "\
.ace_br1 {border-top-left-radius    : 3px;}\
.ace_br2 {border-top-right-radius   : 3px;}\
.ace_br3 {border-top-left-radius    : 3px; border-top-right-radius:    3px;}\
.ace_br4 {border-bottom-right-radius: 3px;}\
.ace_br5 {border-top-left-radius    : 3px; border-bottom-right-radius: 3px;}\
.ace_br6 {border-top-right-radius   : 3px; border-bottom-right-radius: 3px;}\
.ace_br7 {border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px;}\
.ace_br8 {border-bottom-left-radius : 3px;}\
.ace_br9 {border-top-left-radius    : 3px; border-bottom-left-radius:  3px;}\
.ace_br10{border-top-right-radius   : 3px; border-bottom-left-radius:  3px;}\
.ace_br11{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-left-radius:  3px;}\
.ace_br12{border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
.ace_br13{border-top-left-radius    : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
.ace_br14{border-top-right-radius   : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
.ace_br15{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px;}\
.ace_editor {\
position: relative;\
overflow: hidden;\
padding: 0;\
font: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;\
direction: ltr;\
text-align: left;\
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\
}\
.ace_scroller {\
position: absolute;\
overflow: hidden;\
top: 0;\
bottom: 0;\
background-color: inherit;\
-ms-user-select: none;\
-moz-user-select: none;\
-webkit-user-select: none;\
user-select: none;\
cursor: text;\
}\
.ace_content {\
position: absolute;\
box-sizing: border-box;\
min-width: 100%;\
contain: style size layout;\
font-variant-ligatures: no-common-ligatures;\
}\
.ace_dragging .ace_scroller:before{\
position: absolute;\
top: 0;\
left: 0;\
right: 0;\
bottom: 0;\
content: '';\
background: rgba(250, 250, 250, 0.01);\
z-index: 1000;\
}\
.ace_dragging.ace_dark .ace_scroller:before{\
background: rgba(0, 0, 0, 0.01);\
}\
.ace_gutter {\
position: absolute;\
overflow : hidden;\
width: auto;\
top: 0;\
bottom: 0;\
left: 0;\
cursor: default;\
z-index: 4;\
-ms-user-select: none;\
-moz-user-select: none;\
-webkit-user-select: none;\
user-select: none;\
contain: style size layout;\
}\
.ace_gutter-active-line {\
position: absolute;\
left: 0;\
right: 0;\
}\
.ace_scroller.ace_scroll-left {\
box-shadow: 17px 0 16px -16px rgba(0, 0, 0, 0.4) inset;\
}\
.ace_gutter-cell {\
position: absolute;\
top: 0;\
left: 0;\
right: 0;\
padding-left: 19px;\
padding-right: 6px;\
background-repeat: no-repeat;\
}\
.ace_gutter-cell.ace_error {\
background-image: url(\"\");\
background-repeat: no-repeat;\
background-position: 2px center;\
}\
.ace_gutter-cell.ace_warning {\
background-image: url(\"\");\
background-position: 2px center;\
}\
.ace_gutter-cell.ace_info {\
background-image: url(\"\");\
background-position: 2px center;\
}\
.ace_dark .ace_gutter-cell.ace_info {\
background-image: url(\"\");\
}\
.ace_scrollbar {\
contain: strict;\
position: absolute;\
right: 0;\
bottom: 0;\
z-index: 6;\
}\
.ace_scrollbar-inner {\
position: absolute;\
cursor: text;\
left: 0;\
top: 0;\
}\
.ace_scrollbar-v{\
overflow-x: hidden;\
overflow-y: scroll;\
top: 0;\
}\
.ace_scrollbar-h {\
overflow-x: scroll;\
overflow-y: hidden;\
left: 0;\
}\
.ace_print-margin {\
position: absolute;\
height: 100%;\
}\
.ace_text-input {\
position: absolute;\
z-index: 0;\
width: 0.5em;\
height: 1em;\
opacity: 0;\
background: transparent;\
-moz-appearance: none;\
appearance: none;\
border: none;\
resize: none;\
outline: none;\
overflow: hidden;\
font: inherit;\
padding: 0 1px;\
margin: 0 -1px;\
contain: strict;\
-ms-user-select: text;\
-moz-user-select: text;\
-webkit-user-select: text;\
user-select: text;\
white-space: pre!important;\
}\
.ace_text-input.ace_composition {\
background: transparent;\
color: inherit;\
z-index: 1000;\
opacity: 1;\
}\
.ace_composition_placeholder { color: transparent }\
.ace_composition_marker { \
border-bottom: 1px solid;\
position: absolute;\
border-radius: 0;\
margin-top: 1px;\
}\
[ace_nocontext=true] {\
transform: none!important;\
filter: none!important;\
clip-path: none!important;\
mask : none!important;\
contain: none!important;\
perspective: none!important;\
mix-blend-mode: initial!important;\
z-index: auto;\
}\
.ace_layer {\
z-index: 1;\
position: absolute;\
overflow: hidden;\
word-wrap: normal;\
white-space: pre;\
height: 100%;\
width: 100%;\
box-sizing: border-box;\
pointer-events: none;\
}\
.ace_gutter-layer {\
position: relative;\
width: auto;\
text-align: right;\
pointer-events: auto;\
height: 1000000px;\
contain: style size layout;\
}\
.ace_text-layer {\
font: inherit !important;\
position: absolute;\
height: 1000000px;\
width: 1000000px;\
contain: style size layout;\
}\
.ace_text-layer > .ace_line, .ace_text-layer > .ace_line_group {\
contain: style size layout;\
position: absolute;\
top: 0;\
left: 0;\
right: 0;\
}\
.ace_hidpi .ace_text-layer,\
.ace_hidpi .ace_gutter-layer,\
.ace_hidpi .ace_content,\
.ace_hidpi .ace_gutter {\
contain: strict;\
will-change: transform;\
}\
.ace_hidpi .ace_text-layer > .ace_line, \
.ace_hidpi .ace_text-layer > .ace_line_group {\
contain: strict;\
}\
.ace_cjk {\
display: inline-block;\
text-align: center;\
}\
.ace_cursor-layer {\
z-index: 4;\
}\
.ace_cursor {\
z-index: 4;\
position: absolute;\
box-sizing: border-box;\
border-left: 2px solid;\
transform: translatez(0);\
}\
.ace_multiselect .ace_cursor {\
border-left-width: 1px;\
}\
.ace_slim-cursors .ace_cursor {\
border-left-width: 1px;\
}\
.ace_overwrite-cursors .ace_cursor {\
border-left-width: 0;\
border-bottom: 1px solid;\
}\
.ace_hidden-cursors .ace_cursor {\
opacity: 0.2;\
}\
.ace_hasPlaceholder .ace_hidden-cursors .ace_cursor {\
opacity: 0;\
}\
.ace_smooth-blinking .ace_cursor {\
transition: opacity 0.18s;\
}\
.ace_animate-blinking .ace_cursor {\
animation-duration: 1000ms;\
animation-timing-function: step-end;\
animation-name: blink-ace-animate;\
animation-iteration-count: infinite;\
}\
.ace_animate-blinking.ace_smooth-blinking .ace_cursor {\
animation-duration: 1000ms;\
animation-timing-function: ease-in-out;\
animation-name: blink-ace-animate-smooth;\
}\
@keyframes blink-ace-animate {\
from, to { opacity: 1; }\
60% { opacity: 0; }\
}\
@keyframes blink-ace-animate-smooth {\
from, to { opacity: 1; }\
45% { opacity: 1; }\
60% { opacity: 0; }\
85% { opacity: 0; }\
}\
.ace_marker-layer .ace_step, .ace_marker-layer .ace_stack {\
position: absolute;\
z-index: 3;\
}\
.ace_marker-layer .ace_selection {\
position: absolute;\
z-index: 5;\
}\
.ace_marker-layer .ace_bracket {\
position: absolute;\
z-index: 6;\
}\
.ace_marker-layer .ace_error_bracket {\
position: absolute;\
border-bottom: 1px solid #DE5555;\
border-radius: 0;\
}\
.ace_marker-layer .ace_active-line {\
position: absolute;\
z-index: 2;\
}\
.ace_marker-layer .ace_selected-word {\
position: absolute;\
z-index: 4;\
box-sizing: border-box;\
}\
.ace_line .ace_fold {\
box-sizing: border-box;\
display: inline-block;\
height: 11px;\
margin-top: -2px;\
vertical-align: middle;\
background-image:\
url(\"\"),\
url(\"\");\
background-repeat: no-repeat, repeat-x;\
background-position: center center, top left;\
color: transparent;\
border: 1px solid black;\
border-radius: 2px;\
cursor: pointer;\
pointer-events: auto;\
}\
.ace_dark .ace_fold {\
}\
.ace_fold:hover{\
background-image:\
url(\"\"),\
url(\"\");\
}\
.ace_tooltip {\
background-color: #FFF;\
background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));\
border: 1px solid gray;\
border-radius: 1px;\
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);\
color: black;\
max-width: 100%;\
padding: 3px 4px;\
position: fixed;\
z-index: 999999;\
box-sizing: border-box;\
cursor: default;\
white-space: pre;\
word-wrap: break-word;\
line-height: normal;\
font-style: normal;\
font-weight: normal;\
letter-spacing: normal;\
pointer-events: none;\
}\
.ace_folding-enabled > .ace_gutter-cell {\
padding-right: 13px;\
}\
.ace_fold-widget {\
box-sizing: border-box;\
margin: 0 -12px 0 1px;\
display: none;\
width: 11px;\
vertical-align: top;\
background-image: url(\"\");\
background-repeat: no-repeat;\
background-position: center;\
border-radius: 3px;\
border: 1px solid transparent;\
cursor: pointer;\
}\
.ace_folding-enabled .ace_fold-widget {\
display: inline-block;   \
}\
.ace_fold-widget.ace_end {\
background-image: url(\"\");\
}\
.ace_fold-widget.ace_closed {\
background-image: url(\"\");\
}\
.ace_fold-widget:hover {\
border: 1px solid rgba(0, 0, 0, 0.3);\
background-color: rgba(255, 255, 255, 0.2);\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\
}\
.ace_fold-widget:active {\
border: 1px solid rgba(0, 0, 0, 0.4);\
background-color: rgba(0, 0, 0, 0.05);\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\
}\
.ace_dark .ace_fold-widget {\
background-image: url(\"\");\
}\
.ace_dark .ace_fold-widget.ace_end {\
background-image: url(\"\");\
}\
.ace_dark .ace_fold-widget.ace_closed {\
background-image: url(\"\");\
}\
.ace_dark .ace_fold-widget:hover {\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
background-color: rgba(255, 255, 255, 0.1);\
}\
.ace_dark .ace_fold-widget:active {\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
}\
.ace_inline_button {\
border: 1px solid lightgray;\
display: inline-block;\
margin: -1px 8px;\
padding: 0 5px;\
pointer-events: auto;\
cursor: pointer;\
}\
.ace_inline_button:hover {\
border-color: gray;\
background: rgba(200,200,200,0.2);\
display: inline-block;\
pointer-events: auto;\
}\
.ace_fold-widget.ace_invalid {\
background-color: #FFB4B4;\
border-color: #DE5555;\
}\
.ace_fade-fold-widgets .ace_fold-widget {\
transition: opacity 0.4s ease 0.05s;\
opacity: 0;\
}\
.ace_fade-fold-widgets:hover .ace_fold-widget {\
transition: opacity 0.05s ease 0.05s;\
opacity:1;\
}\
.ace_underline {\
text-decoration: underline;\
}\
.ace_bold {\
font-weight: bold;\
}\
.ace_nobold .ace_bold {\
font-weight: normal;\
}\
.ace_italic {\
font-style: italic;\
}\
.ace_error-marker {\
background-color: rgba(255, 0, 0,0.2);\
position: absolute;\
z-index: 9;\
}\
.ace_highlight-marker {\
background-color: rgba(255, 255, 0,0.2);\
position: absolute;\
z-index: 8;\
}\
.ace_mobile-menu {\
position: absolute;\
line-height: 1.5;\
border-radius: 4px;\
-ms-user-select: none;\
-moz-user-select: none;\
-webkit-user-select: none;\
user-select: none;\
background: white;\
box-shadow: 1px 3px 2px grey;\
border: 1px solid #dcdcdc;\
color: black;\
}\
.ace_dark > .ace_mobile-menu {\
background: #333;\
color: #ccc;\
box-shadow: 1px 3px 2px grey;\
border: 1px solid #444;\
}\
.ace_mobile-button {\
padding: 2px;\
cursor: pointer;\
overflow: hidden;\
}\
.ace_mobile-button:hover {\
background-color: #eee;\
opacity:1;\
}\
.ace_mobile-button:active {\
background-color: #ddd;\
}\
.ace_placeholder {\
font-family: arial;\
transform: scale(0.9);\
transform-origin: left;\
white-space: pre;\
opacity: 0.7;\
margin: 0 10px;\
}";

    var useragent = require("./lib/useragent");
    var HIDE_TEXTAREA = useragent.isIE;

    dom.importCssString(editorCss, "ace_editor.css", false);

    var VirtualRenderer = function(container, theme) {
        var _self = this;

        this.container = container || dom.createElement("div");

        dom.addCssClass(this.container, "ace_editor");
        if (dom.HI_DPI) dom.addCssClass(this.container, "ace_hidpi");

        this.setTheme(theme);
        if (config.get("useStrictCSP") == null)
            config.set("useStrictCSP", false);

        this.$gutter = dom.createElement("div");
        this.$gutter.className = "ace_gutter";
        this.container.appendChild(this.$gutter);
        this.$gutter.setAttribute("aria-hidden", true);

        this.scroller = dom.createElement("div");
        this.scroller.className = "ace_scroller";

        this.container.appendChild(this.scroller);

        this.content = dom.createElement("div");
        this.content.className = "ace_content";
        this.scroller.appendChild(this.content);

        this.$gutterLayer = new GutterLayer(this.$gutter);
        this.$gutterLayer.on("changeGutterWidth", this.onGutterResize.bind(this));

        this.$markerBack = new MarkerLayer(this.content);

        var textLayer = this.$textLayer = new TextLayer(this.content);
        this.canvas = textLayer.element;

        this.$markerFront = new MarkerLayer(this.content);

        this.$cursorLayer = new CursorLayer(this.content);
        this.$horizScroll = false;
        this.$vScroll = false;

        this.scrollBar =
            this.scrollBarV = new VScrollBar(this.container, this);
        this.scrollBarH = new HScrollBar(this.container, this);
        this.scrollBarV.on("scroll", function(e) {
            if (!_self.$scrollAnimation)
                _self.session.setScrollTop(e.data - _self.scrollMargin.top);
        });
        this.scrollBarH.on("scroll", function(e) {
            if (!_self.$scrollAnimation)
                _self.session.setScrollLeft(e.data - _self.scrollMargin.left);
        });

        this.scrollTop = 0;
        this.scrollLeft = 0;

        this.cursorPos = {
            row : 0,
            column : 0
        };

        this.$fontMetrics = new FontMetrics(this.container);
        this.$textLayer.$setFontMetrics(this.$fontMetrics);
        this.$textLayer.on("changeCharacterSize", function(e) {
            _self.updateCharacterSize();
            _self.onResize(true, _self.gutterWidth, _self.$size.width, _self.$size.height);
            _self._signal("changeCharacterSize", e);
        });

        this.$size = {
            width: 0,
            height: 0,
            scrollerHeight: 0,
            scrollerWidth: 0,
            $dirty: true
        };

        this.layerConfig = {
            width : 1,
            padding : 0,
            firstRow : 0,
            firstRowScreen: 0,
            lastRow : 0,
            lineHeight : 0,
            characterWidth : 0,
            minHeight : 1,
            maxHeight : 1,
            offset : 0,
            height : 1,
            gutterOffset: 1
        };

        this.scrollMargin = {
            left: 0,
            right: 0,
            top: 0,
            bottom: 0,
            v: 0,
            h: 0
        };

        this.margin = {
            left: 0,
            right: 0,
            top: 0,
            bottom: 0,
            v: 0,
            h: 0
        };

        this.$keepTextAreaAtCursor = !useragent.isIOS;

        this.$loop = new RenderLoop(
            this.$renderChanges.bind(this),
            this.container.ownerDocument.defaultView
        );
        this.$loop.schedule(this.CHANGE_FULL);

        this.updateCharacterSize();
        this.setPadding(4);
        config.resetOptions(this);
        config._signal("renderer", this);
    };

    (function() {

        this.CHANGE_CURSOR = 1;
        this.CHANGE_MARKER = 2;
        this.CHANGE_GUTTER = 4;
        this.CHANGE_SCROLL = 8;
        this.CHANGE_LINES = 16;
        this.CHANGE_TEXT = 32;
        this.CHANGE_SIZE = 64;
        this.CHANGE_MARKER_BACK = 128;
        this.CHANGE_MARKER_FRONT = 256;
        this.CHANGE_FULL = 512;
        this.CHANGE_H_SCROLL = 1024;

        oop.implement(this, EventEmitter);

        this.updateCharacterSize = function() {
            if (this.$textLayer.allowBoldFonts != this.$allowBoldFonts) {
                this.$allowBoldFonts = this.$textLayer.allowBoldFonts;
                this.setStyle("ace_nobold", !this.$allowBoldFonts);
            }

            this.layerConfig.characterWidth =
                this.characterWidth = this.$textLayer.getCharacterWidth();
            this.layerConfig.lineHeight =
                this.lineHeight = this.$textLayer.getLineHeight();
            this.$updatePrintMargin();
            dom.setStyle(this.scroller.style, "line-height", this.lineHeight + "px");
        };
        this.setSession = function(session) {
            if (this.session)
                this.session.doc.off("changeNewLineMode", this.onChangeNewLineMode);

            this.session = session;
            if (session && this.scrollMargin.top && session.getScrollTop() <= 0)
                session.setScrollTop(-this.scrollMargin.top);

            this.$cursorLayer.setSession(session);
            this.$markerBack.setSession(session);
            this.$markerFront.setSession(session);
            this.$gutterLayer.setSession(session);
            this.$textLayer.setSession(session);
            if (!session)
                return;

            this.$loop.schedule(this.CHANGE_FULL);
            this.session.$setFontMetrics(this.$fontMetrics);
            this.scrollBarH.scrollLeft = this.scrollBarV.scrollTop = null;

            this.onChangeNewLineMode = this.onChangeNewLineMode.bind(this);
            this.onChangeNewLineMode();
            this.session.doc.on("changeNewLineMode", this.onChangeNewLineMode);
        };
        this.updateLines = function(firstRow, lastRow, force) {
            if (lastRow === undefined)
                lastRow = Infinity;

            if (!this.$changedLines) {
                this.$changedLines = {
                    firstRow: firstRow,
                    lastRow: lastRow
                };
            }
            else {
                if (this.$changedLines.firstRow > firstRow)
                    this.$changedLines.firstRow = firstRow;

                if (this.$changedLines.lastRow < lastRow)
                    this.$changedLines.lastRow = lastRow;
            }
            if (this.$changedLines.lastRow < this.layerConfig.firstRow) {
                if (force)
                    this.$changedLines.lastRow = this.layerConfig.lastRow;
                else
                    return;
            }
            if (this.$changedLines.firstRow > this.layerConfig.lastRow)
                return;
            this.$loop.schedule(this.CHANGE_LINES);
        };

        this.onChangeNewLineMode = function() {
            this.$loop.schedule(this.CHANGE_TEXT);
            this.$textLayer.$updateEolChar();
            this.session.$bidiHandler.setEolChar(this.$textLayer.EOL_CHAR);
        };

        this.onChangeTabSize = function() {
            this.$loop.schedule(this.CHANGE_TEXT | this.CHANGE_MARKER);
            this.$textLayer.onChangeTabSize();
        };
        this.updateText = function() {
            this.$loop.schedule(this.CHANGE_TEXT);
        };
        this.updateFull = function(force) {
            if (force)
                this.$renderChanges(this.CHANGE_FULL, true);
            else
                this.$loop.schedule(this.CHANGE_FULL);
        };
        this.updateFontSize = function() {
            this.$textLayer.checkForSizeChanges();
        };

        this.$changes = 0;
        this.$updateSizeAsync = function() {
            if (this.$loop.pending)
                this.$size.$dirty = true;
            else
                this.onResize();
        };
        this.onResize = function(force, gutterWidth, width, height) {
            if (this.resizing > 2)
                return;
            else if (this.resizing > 0)
                this.resizing++;
            else
                this.resizing = force ? 1 : 0;
            var el = this.container;
            if (!height)
                height = el.clientHeight || el.scrollHeight;
            if (!width)
                width = el.clientWidth || el.scrollWidth;
            var changes = this.$updateCachedSize(force, gutterWidth, width, height);


            if (!this.$size.scrollerHeight || (!width && !height))
                return this.resizing = 0;

            if (force)
                this.$gutterLayer.$padding = null;

            if (force)
                this.$renderChanges(changes | this.$changes, true);
            else
                this.$loop.schedule(changes | this.$changes);

            if (this.resizing)
                this.resizing = 0;
            this.scrollBarH.scrollLeft = this.scrollBarV.scrollTop = null;
        };

        this.$updateCachedSize = function(force, gutterWidth, width, height) {
            height -= (this.$extraHeight || 0);
            var changes = 0;
            var size = this.$size;
            var oldSize = {
                width: size.width,
                height: size.height,
                scrollerHeight: size.scrollerHeight,
                scrollerWidth: size.scrollerWidth
            };
            if (height && (force || size.height != height)) {
                size.height = height;
                changes |= this.CHANGE_SIZE;

                size.scrollerHeight = size.height;
                if (this.$horizScroll)
                    size.scrollerHeight -= this.scrollBarH.getHeight();
                this.scrollBarV.element.style.bottom = this.scrollBarH.getHeight() + "px";

                changes = changes | this.CHANGE_SCROLL;
            }

            if (width && (force || size.width != width)) {
                changes |= this.CHANGE_SIZE;
                size.width = width;

                if (gutterWidth == null)
                    gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;

                this.gutterWidth = gutterWidth;

                dom.setStyle(this.scrollBarH.element.style, "left", gutterWidth + "px");
                dom.setStyle(this.scroller.style, "left", gutterWidth + this.margin.left + "px");
                size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBarV.getWidth() - this.margin.h);
                dom.setStyle(this.$gutter.style, "left", this.margin.left + "px");

                var right = this.scrollBarV.getWidth() + "px";
                dom.setStyle(this.scrollBarH.element.style, "right", right);
                dom.setStyle(this.scroller.style, "right", right);
                dom.setStyle(this.scroller.style, "bottom", this.scrollBarH.getHeight());

                if (this.session && this.session.getUseWrapMode() && this.adjustWrapLimit() || force) {
                    changes |= this.CHANGE_FULL;
                }
            }

            size.$dirty = !width || !height;

            if (changes)
                this._signal("resize", oldSize);

            return changes;
        };

        this.onGutterResize = function(width) {
            var gutterWidth = this.$showGutter ? width : 0;
            if (gutterWidth != this.gutterWidth)
                this.$changes |= this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);

            if (this.session.getUseWrapMode() && this.adjustWrapLimit()) {
                this.$loop.schedule(this.CHANGE_FULL);
            } else if (this.$size.$dirty) {
                this.$loop.schedule(this.CHANGE_FULL);
            } else {
                this.$computeLayerConfig();
            }
        };
        this.adjustWrapLimit = function() {
            var availableWidth = this.$size.scrollerWidth - this.$padding * 2;
            var limit = Math.floor(availableWidth / this.characterWidth);
            return this.session.adjustWrapLimit(limit, this.$showPrintMargin && this.$printMarginColumn);
        };
        this.setAnimatedScroll = function(shouldAnimate){
            this.setOption("animatedScroll", shouldAnimate);
        };
        this.getAnimatedScroll = function() {
            return this.$animatedScroll;
        };
        this.setShowInvisibles = function(showInvisibles) {
            this.setOption("showInvisibles", showInvisibles);
            this.session.$bidiHandler.setShowInvisibles(showInvisibles);
        };
        this.getShowInvisibles = function() {
            return this.getOption("showInvisibles");
        };
        this.getDisplayIndentGuides = function() {
            return this.getOption("displayIndentGuides");
        };

        this.setDisplayIndentGuides = function(display) {
            this.setOption("displayIndentGuides", display);
        };
        this.setShowPrintMargin = function(showPrintMargin) {
            this.setOption("showPrintMargin", showPrintMargin);
        };
        this.getShowPrintMargin = function() {
            return this.getOption("showPrintMargin");
        };
        this.setPrintMarginColumn = function(showPrintMargin) {
            this.setOption("printMarginColumn", showPrintMargin);
        };
        this.getPrintMarginColumn = function() {
            return this.getOption("printMarginColumn");
        };
        this.getShowGutter = function(){
            return this.getOption("showGutter");
        };
        this.setShowGutter = function(show){
            return this.setOption("showGutter", show);
        };

        this.getFadeFoldWidgets = function(){
            return this.getOption("fadeFoldWidgets");
        };

        this.setFadeFoldWidgets = function(show) {
            this.setOption("fadeFoldWidgets", show);
        };

        this.setHighlightGutterLine = function(shouldHighlight) {
            this.setOption("highlightGutterLine", shouldHighlight);
        };

        this.getHighlightGutterLine = function() {
            return this.getOption("highlightGutterLine");
        };

        this.$updatePrintMargin = function() {
            if (!this.$showPrintMargin && !this.$printMarginEl)
                return;

            if (!this.$printMarginEl) {
                var containerEl = dom.createElement("div");
                containerEl.className = "ace_layer ace_print-margin-layer";
                this.$printMarginEl = dom.createElement("div");
                this.$printMarginEl.className = "ace_print-margin";
                containerEl.appendChild(this.$printMarginEl);
                this.content.insertBefore(containerEl, this.content.firstChild);
            }

            var style = this.$printMarginEl.style;
            style.left = Math.round(this.characterWidth * this.$printMarginColumn + this.$padding) + "px";
            style.visibility = this.$showPrintMargin ? "visible" : "hidden";

            if (this.session && this.session.$wrap == -1)
                this.adjustWrapLimit();
        };
        this.getContainerElement = function() {
            return this.container;
        };
        this.getMouseEventTarget = function() {
            return this.scroller;
        };
        this.getTextAreaContainer = function() {
            return this.container;
        };
        this.$moveTextAreaToCursor = function() {
            if (this.$isMousePressed) return;
            var style = this.textarea.style;
            var composition = this.$composition;
            if (!this.$keepTextAreaAtCursor && !composition) {
                dom.translate(this.textarea, -100, 0);
                return;
            }
            var pixelPos = this.$cursorLayer.$pixelPos;
            if (!pixelPos)
                return;
            if (composition && composition.markerRange)
                pixelPos = this.$cursorLayer.getPixelPosition(composition.markerRange.start, true);

            var config = this.layerConfig;
            var posTop = pixelPos.top;
            var posLeft = pixelPos.left;
            posTop -= config.offset;

            var h = composition && composition.useTextareaForIME ? this.lineHeight : HIDE_TEXTAREA ? 0 : 1;
            if (posTop < 0 || posTop > config.height - h) {
                dom.translate(this.textarea, 0, 0);
                return;
            }

            var w = 1;
            var maxTop = this.$size.height - h;
            if (!composition) {
                posTop += this.lineHeight;
            }
            else {
                if (composition.useTextareaForIME) {
                    var val = this.textarea.value;
                    w = this.characterWidth * (this.session.$getStringScreenWidth(val)[0]);
                }
                else {
                    posTop += this.lineHeight + 2;
                }
            }

            posLeft -= this.scrollLeft;
            if (posLeft > this.$size.scrollerWidth - w)
                posLeft = this.$size.scrollerWidth - w;

            posLeft += this.gutterWidth + this.margin.left;

            dom.setStyle(style, "height", h + "px");
            dom.setStyle(style, "width", w + "px");
            dom.translate(this.textarea, Math.min(posLeft, this.$size.scrollerWidth - w), Math.min(posTop, maxTop));
        };
        this.getFirstVisibleRow = function() {
            return this.layerConfig.firstRow;
        };
        this.getFirstFullyVisibleRow = function() {
            return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);
        };
        this.getLastFullyVisibleRow = function() {
            var config = this.layerConfig;
            var lastRow = config.lastRow;
            var top = this.session.documentToScreenRow(lastRow, 0) * config.lineHeight;
            if (top - this.session.getScrollTop() > config.height - config.lineHeight)
                return lastRow - 1;
            return lastRow;
        };
        this.getLastVisibleRow = function() {
            return this.layerConfig.lastRow;
        };

        this.$padding = null;
        this.setPadding = function(padding) {
            this.$padding = padding;
            this.$textLayer.setPadding(padding);
            this.$cursorLayer.setPadding(padding);
            this.$markerFront.setPadding(padding);
            this.$markerBack.setPadding(padding);
            this.$loop.schedule(this.CHANGE_FULL);
            this.$updatePrintMargin();
        };

        this.setScrollMargin = function(top, bottom, left, right) {
            var sm = this.scrollMargin;
            sm.top = top|0;
            sm.bottom = bottom|0;
            sm.right = right|0;
            sm.left = left|0;
            sm.v = sm.top + sm.bottom;
            sm.h = sm.left + sm.right;
            if (sm.top && this.scrollTop <= 0 && this.session)
                this.session.setScrollTop(-sm.top);
            this.updateFull();
        };

        this.setMargin = function(top, bottom, left, right) {
            var sm = this.margin;
            sm.top = top|0;
            sm.bottom = bottom|0;
            sm.right = right|0;
            sm.left = left|0;
            sm.v = sm.top + sm.bottom;
            sm.h = sm.left + sm.right;
            this.$updateCachedSize(true, this.gutterWidth, this.$size.width, this.$size.height);
            this.updateFull();
        };
        this.getHScrollBarAlwaysVisible = function() {
            return this.$hScrollBarAlwaysVisible;
        };
        this.setHScrollBarAlwaysVisible = function(alwaysVisible) {
            this.setOption("hScrollBarAlwaysVisible", alwaysVisible);
        };
        this.getVScrollBarAlwaysVisible = function() {
            return this.$vScrollBarAlwaysVisible;
        };
        this.setVScrollBarAlwaysVisible = function(alwaysVisible) {
            this.setOption("vScrollBarAlwaysVisible", alwaysVisible);
        };

        this.$updateScrollBarV = function() {
            var scrollHeight = this.layerConfig.maxHeight;
            var scrollerHeight = this.$size.scrollerHeight;
            if (!this.$maxLines && this.$scrollPastEnd) {
                scrollHeight -= (scrollerHeight - this.lineHeight) * this.$scrollPastEnd;
                if (this.scrollTop > scrollHeight - scrollerHeight) {
                    scrollHeight = this.scrollTop + scrollerHeight;
                    this.scrollBarV.scrollTop = null;
                }
            }
            this.scrollBarV.setScrollHeight(scrollHeight + this.scrollMargin.v);
            this.scrollBarV.setScrollTop(this.scrollTop + this.scrollMargin.top);
        };
        this.$updateScrollBarH = function() {
            this.scrollBarH.setScrollWidth(this.layerConfig.width + 2 * this.$padding + this.scrollMargin.h);
            this.scrollBarH.setScrollLeft(this.scrollLeft + this.scrollMargin.left);
        };

        this.$frozen = false;
        this.freeze = function() {
            this.$frozen = true;
        };

        this.unfreeze = function() {
            this.$frozen = false;
        };

        this.$renderChanges = function(changes, force) {
            if (this.$changes) {
                changes |= this.$changes;
                this.$changes = 0;
            }
            if ((!this.session || !this.container.offsetWidth || this.$frozen) || (!changes && !force)) {
                this.$changes |= changes;
                return;
            }
            if (this.$size.$dirty) {
                this.$changes |= changes;
                return this.onResize(true);
            }
            if (!this.lineHeight) {
                this.$textLayer.checkForSizeChanges();
            }

            this._signal("beforeRender", changes);

            if (this.session && this.session.$bidiHandler)
                this.session.$bidiHandler.updateCharacterWidths(this.$fontMetrics);

            var config = this.layerConfig;
            if (changes & this.CHANGE_FULL ||
                changes & this.CHANGE_SIZE ||
                changes & this.CHANGE_TEXT ||
                changes & this.CHANGE_LINES ||
                changes & this.CHANGE_SCROLL ||
                changes & this.CHANGE_H_SCROLL
            ) {
                changes |= this.$computeLayerConfig() | this.$loop.clear();
                if (config.firstRow != this.layerConfig.firstRow && config.firstRowScreen == this.layerConfig.firstRowScreen) {
                    var st = this.scrollTop + (config.firstRow - this.layerConfig.firstRow) * this.lineHeight;
                    if (st > 0) {
                        this.scrollTop = st;
                        changes = changes | this.CHANGE_SCROLL;
                        changes |= this.$computeLayerConfig() | this.$loop.clear();
                    }
                }
                config = this.layerConfig;
                this.$updateScrollBarV();
                if (changes & this.CHANGE_H_SCROLL)
                    this.$updateScrollBarH();

                dom.translate(this.content, -this.scrollLeft, -config.offset);

                var width = config.width + 2 * this.$padding + "px";
                var height = config.minHeight + "px";

                dom.setStyle(this.content.style, "width", width);
                dom.setStyle(this.content.style, "height", height);
            }
            if (changes & this.CHANGE_H_SCROLL) {
                dom.translate(this.content, -this.scrollLeft, -config.offset);
                this.scroller.className = this.scrollLeft <= 0 ? "ace_scroller" : "ace_scroller ace_scroll-left";
            }
            if (changes & this.CHANGE_FULL) {
                this.$changedLines = null;
                this.$textLayer.update(config);
                if (this.$showGutter)
                    this.$gutterLayer.update(config);
                this.$markerBack.update(config);
                this.$markerFront.update(config);
                this.$cursorLayer.update(config);
                this.$moveTextAreaToCursor();
                this._signal("afterRender", changes);
                return;
            }
            if (changes & this.CHANGE_SCROLL) {
                this.$changedLines = null;
                if (changes & this.CHANGE_TEXT || changes & this.CHANGE_LINES)
                    this.$textLayer.update(config);
                else
                    this.$textLayer.scrollLines(config);

                if (this.$showGutter) {
                    if (changes & this.CHANGE_GUTTER || changes & this.CHANGE_LINES)
                        this.$gutterLayer.update(config);
                    else
                        this.$gutterLayer.scrollLines(config);
                }
                this.$markerBack.update(config);
                this.$markerFront.update(config);
                this.$cursorLayer.update(config);
                this.$moveTextAreaToCursor();
                this._signal("afterRender", changes);
                return;
            }

            if (changes & this.CHANGE_TEXT) {
                this.$changedLines = null;
                this.$textLayer.update(config);
                if (this.$showGutter)
                    this.$gutterLayer.update(config);
            }
            else if (changes & this.CHANGE_LINES) {
                if (this.$updateLines() || (changes & this.CHANGE_GUTTER) && this.$showGutter)
                    this.$gutterLayer.update(config);
            }
            else if (changes & this.CHANGE_TEXT || changes & this.CHANGE_GUTTER) {
                if (this.$showGutter)
                    this.$gutterLayer.update(config);
            }
            else if (changes & this.CHANGE_CURSOR) {
                if (this.$highlightGutterLine)
                    this.$gutterLayer.updateLineHighlight(config);
            }

            if (changes & this.CHANGE_CURSOR) {
                this.$cursorLayer.update(config);
                this.$moveTextAreaToCursor();
            }

            if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_FRONT)) {
                this.$markerFront.update(config);
            }

            if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_BACK)) {
                this.$markerBack.update(config);
            }

            this._signal("afterRender", changes);
        };


        this.$autosize = function() {
            var height = this.session.getScreenLength() * this.lineHeight;
            var maxHeight = this.$maxLines * this.lineHeight;
            var desiredHeight = Math.min(maxHeight,
                Math.max((this.$minLines || 1) * this.lineHeight, height)
            ) + this.scrollMargin.v + (this.$extraHeight || 0);
            if (this.$horizScroll)
                desiredHeight += this.scrollBarH.getHeight();
            if (this.$maxPixelHeight && desiredHeight > this.$maxPixelHeight)
                desiredHeight = this.$maxPixelHeight;

            var hideScrollbars = desiredHeight <= 2 * this.lineHeight;
            var vScroll = !hideScrollbars && height > maxHeight;

            if (desiredHeight != this.desiredHeight ||
                this.$size.height != this.desiredHeight || vScroll != this.$vScroll) {
                if (vScroll != this.$vScroll) {
                    this.$vScroll = vScroll;
                    this.scrollBarV.setVisible(vScroll);
                }

                var w = this.container.clientWidth;
                this.container.style.height = desiredHeight + "px";
                this.$updateCachedSize(true, this.$gutterWidth, w, desiredHeight);
                this.desiredHeight = desiredHeight;

                this._signal("autosize");
            }
        };

        this.$computeLayerConfig = function() {
            var session = this.session;
            var size = this.$size;

            var hideScrollbars = size.height <= 2 * this.lineHeight;
            var screenLines = this.session.getScreenLength();
            var maxHeight = screenLines * this.lineHeight;

            var longestLine = this.$getLongestLine();

            var horizScroll = !hideScrollbars && (this.$hScrollBarAlwaysVisible ||
                size.scrollerWidth - longestLine - 2 * this.$padding < 0);

            var hScrollChanged = this.$horizScroll !== horizScroll;
            if (hScrollChanged) {
                this.$horizScroll = horizScroll;
                this.scrollBarH.setVisible(horizScroll);
            }
            var vScrollBefore = this.$vScroll; // autosize can change vscroll value in which case we need to update longestLine
            if (this.$maxLines && this.lineHeight > 1)
                this.$autosize();

            var minHeight = size.scrollerHeight + this.lineHeight;

            var scrollPastEnd = !this.$maxLines && this.$scrollPastEnd
                ? (size.scrollerHeight - this.lineHeight) * this.$scrollPastEnd
                : 0;
            maxHeight += scrollPastEnd;

            var sm = this.scrollMargin;
            this.session.setScrollTop(Math.max(-sm.top,
                Math.min(this.scrollTop, maxHeight - size.scrollerHeight + sm.bottom)));

            this.session.setScrollLeft(Math.max(-sm.left, Math.min(this.scrollLeft,
                longestLine + 2 * this.$padding - size.scrollerWidth + sm.right)));

            var vScroll = !hideScrollbars && (this.$vScrollBarAlwaysVisible ||
                size.scrollerHeight - maxHeight + scrollPastEnd < 0 || this.scrollTop > sm.top);
            var vScrollChanged = vScrollBefore !== vScroll;
            if (vScrollChanged) {
                this.$vScroll = vScroll;
                this.scrollBarV.setVisible(vScroll);
            }

            var offset = this.scrollTop % this.lineHeight;
            var lineCount = Math.ceil(minHeight / this.lineHeight) - 1;
            var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));
            var lastRow = firstRow + lineCount;
            var firstRowScreen, firstRowHeight;
            var lineHeight = this.lineHeight;
            firstRow = session.screenToDocumentRow(firstRow, 0);
            var foldLine = session.getFoldLine(firstRow);
            if (foldLine) {
                firstRow = foldLine.start.row;
            }

            firstRowScreen = session.documentToScreenRow(firstRow, 0);
            firstRowHeight = session.getRowLength(firstRow) * lineHeight;

            lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);
            minHeight = size.scrollerHeight + session.getRowLength(lastRow) * lineHeight +
                firstRowHeight;

            offset = this.scrollTop - firstRowScreen * lineHeight;

            var changes = 0;
            if (this.layerConfig.width != longestLine || hScrollChanged)
                changes = this.CHANGE_H_SCROLL;
            if (hScrollChanged || vScrollChanged) {
                changes |= this.$updateCachedSize(true, this.gutterWidth, size.width, size.height);
                this._signal("scrollbarVisibilityChanged");
                if (vScrollChanged)
                    longestLine = this.$getLongestLine();
            }

            this.layerConfig = {
                width : longestLine,
                padding : this.$padding,
                firstRow : firstRow,
                firstRowScreen: firstRowScreen,
                lastRow : lastRow,
                lineHeight : lineHeight,
                characterWidth : this.characterWidth,
                minHeight : minHeight,
                maxHeight : maxHeight,
                offset : offset,
                gutterOffset : lineHeight ? Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)) : 0,
                height : this.$size.scrollerHeight
            };

            if (this.session.$bidiHandler)
                this.session.$bidiHandler.setContentWidth(longestLine - this.$padding);

            return changes;
        };

        this.$updateLines = function() {
            if (!this.$changedLines) return;
            var firstRow = this.$changedLines.firstRow;
            var lastRow = this.$changedLines.lastRow;
            this.$changedLines = null;

            var layerConfig = this.layerConfig;

            if (firstRow > layerConfig.lastRow + 1) { return; }
            if (lastRow < layerConfig.firstRow) { return; }
            if (lastRow === Infinity) {
                if (this.$showGutter)
                    this.$gutterLayer.update(layerConfig);
                this.$textLayer.update(layerConfig);
                return;
            }
            this.$textLayer.updateLines(layerConfig, firstRow, lastRow);
            return true;
        };

        this.$getLongestLine = function() {
            var charCount = this.session.getScreenWidth();
            if (this.showInvisibles && !this.session.$useWrapMode)
                charCount += 1;

            if (this.$textLayer && charCount > this.$textLayer.MAX_LINE_LENGTH)
                charCount = this.$textLayer.MAX_LINE_LENGTH + 30;

            return Math.max(this.$size.scrollerWidth - 2 * this.$padding, Math.round(charCount * this.characterWidth));
        };
        this.updateFrontMarkers = function() {
            this.$markerFront.setMarkers(this.session.getMarkers(true));
            this.$loop.schedule(this.CHANGE_MARKER_FRONT);
        };
        this.updateBackMarkers = function() {
            this.$markerBack.setMarkers(this.session.getMarkers());
            this.$loop.schedule(this.CHANGE_MARKER_BACK);
        };
        this.addGutterDecoration = function(row, className){
            this.$gutterLayer.addGutterDecoration(row, className);
        };
        this.removeGutterDecoration = function(row, className){
            this.$gutterLayer.removeGutterDecoration(row, className);
        };
        this.updateBreakpoints = function(rows) {
            this.$loop.schedule(this.CHANGE_GUTTER);
        };
        this.setAnnotations = function(annotations) {
            this.$gutterLayer.setAnnotations(annotations);
            this.$loop.schedule(this.CHANGE_GUTTER);
        };
        this.updateCursor = function() {
            this.$loop.schedule(this.CHANGE_CURSOR);
        };
        this.hideCursor = function() {
            this.$cursorLayer.hideCursor();
        };
        this.showCursor = function() {
            this.$cursorLayer.showCursor();
        };

        this.scrollSelectionIntoView = function(anchor, lead, offset) {
            this.scrollCursorIntoView(anchor, offset);
            this.scrollCursorIntoView(lead, offset);
        };
        this.scrollCursorIntoView = function(cursor, offset, $viewMargin) {
            if (this.$size.scrollerHeight === 0)
                return;

            var pos = this.$cursorLayer.getPixelPosition(cursor);

            var left = pos.left;
            var top = pos.top;

            var topMargin = $viewMargin && $viewMargin.top || 0;
            var bottomMargin = $viewMargin && $viewMargin.bottom || 0;

            var scrollTop = this.$scrollAnimation ? this.session.getScrollTop() : this.scrollTop;

            if (scrollTop + topMargin > top) {
                if (offset && scrollTop + topMargin > top + this.lineHeight)
                    top -= offset * this.$size.scrollerHeight;
                if (top === 0)
                    top = -this.scrollMargin.top;
                this.session.setScrollTop(top);
            } else if (scrollTop + this.$size.scrollerHeight - bottomMargin < top + this.lineHeight) {
                if (offset && scrollTop + this.$size.scrollerHeight - bottomMargin < top -  this.lineHeight)
                    top += offset * this.$size.scrollerHeight;
                this.session.setScrollTop(top + this.lineHeight + bottomMargin - this.$size.scrollerHeight);
            }

            var scrollLeft = this.scrollLeft;

            if (scrollLeft > left) {
                if (left < this.$padding + 2 * this.layerConfig.characterWidth)
                    left = -this.scrollMargin.left;
                this.session.setScrollLeft(left);
            } else if (scrollLeft + this.$size.scrollerWidth < left + this.characterWidth) {
                this.session.setScrollLeft(Math.round(left + this.characterWidth - this.$size.scrollerWidth));
            } else if (scrollLeft <= this.$padding && left - scrollLeft < this.characterWidth) {
                this.session.setScrollLeft(0);
            }
        };
        this.getScrollTop = function() {
            return this.session.getScrollTop();
        };
        this.getScrollLeft = function() {
            return this.session.getScrollLeft();
        };
        this.getScrollTopRow = function() {
            return this.scrollTop / this.lineHeight;
        };
        this.getScrollBottomRow = function() {
            return Math.max(0, Math.floor((this.scrollTop + this.$size.scrollerHeight) / this.lineHeight) - 1);
        };
        this.scrollToRow = function(row) {
            this.session.setScrollTop(row * this.lineHeight);
        };

        this.alignCursor = function(cursor, alignment) {
            if (typeof cursor == "number")
                cursor = {row: cursor, column: 0};

            var pos = this.$cursorLayer.getPixelPosition(cursor);
            var h = this.$size.scrollerHeight - this.lineHeight;
            var offset = pos.top - h * (alignment || 0);

            this.session.setScrollTop(offset);
            return offset;
        };

        this.STEPS = 8;
        this.$calcSteps = function(fromValue, toValue){
            var i = 0;
            var l = this.STEPS;
            var steps = [];

            var func  = function(t, x_min, dx) {
                return dx * (Math.pow(t - 1, 3) + 1) + x_min;
            };

            for (i = 0; i < l; ++i)
                steps.push(func(i / this.STEPS, fromValue, toValue - fromValue));

            return steps;
        };
        this.scrollToLine = function(line, center, animate, callback) {
            var pos = this.$cursorLayer.getPixelPosition({row: line, column: 0});
            var offset = pos.top;
            if (center)
                offset -= this.$size.scrollerHeight / 2;

            var initialScroll = this.scrollTop;
            this.session.setScrollTop(offset);
            if (animate !== false)
                this.animateScrolling(initialScroll, callback);
        };

        this.animateScrolling = function(fromValue, callback) {
            var toValue = this.scrollTop;
            if (!this.$animatedScroll)
                return;
            var _self = this;

            if (fromValue == toValue)
                return;

            if (this.$scrollAnimation) {
                var oldSteps = this.$scrollAnimation.steps;
                if (oldSteps.length) {
                    fromValue = oldSteps[0];
                    if (fromValue == toValue)
                        return;
                }
            }

            var steps = _self.$calcSteps(fromValue, toValue);
            this.$scrollAnimation = {from: fromValue, to: toValue, steps: steps};

            clearInterval(this.$timer);

            _self.session.setScrollTop(steps.shift());
            _self.session.$scrollTop = toValue;
            this.$timer = setInterval(function() {
                if (!_self.session)
                    return clearInterval(_self.$timer);
                if (steps.length) {
                    _self.session.setScrollTop(steps.shift());
                    _self.session.$scrollTop = toValue;
                } else if (toValue != null) {
                    _self.session.$scrollTop = -1;
                    _self.session.setScrollTop(toValue);
                    toValue = null;
                } else {
                    _self.$timer = clearInterval(_self.$timer);
                    _self.$scrollAnimation = null;
                    callback && callback();
                }
            }, 10);
        };
        this.scrollToY = function(scrollTop) {
            if (this.scrollTop !== scrollTop) {
                this.$loop.schedule(this.CHANGE_SCROLL);
                this.scrollTop = scrollTop;
            }
        };
        this.scrollToX = function(scrollLeft) {
            if (this.scrollLeft !== scrollLeft)
                this.scrollLeft = scrollLeft;
            this.$loop.schedule(this.CHANGE_H_SCROLL);
        };
        this.scrollTo = function(x, y) {
            this.session.setScrollTop(y);
            this.session.setScrollLeft(x);
        };
        this.scrollBy = function(deltaX, deltaY) {
            deltaY && this.session.setScrollTop(this.session.getScrollTop() + deltaY);
            deltaX && this.session.setScrollLeft(this.session.getScrollLeft() + deltaX);
        };
        this.isScrollableBy = function(deltaX, deltaY) {
            if (deltaY < 0 && this.session.getScrollTop() >= 1 - this.scrollMargin.top)
                return true;
            if (deltaY > 0 && this.session.getScrollTop() + this.$size.scrollerHeight
                - this.layerConfig.maxHeight < -1 + this.scrollMargin.bottom)
                return true;
            if (deltaX < 0 && this.session.getScrollLeft() >= 1 - this.scrollMargin.left)
                return true;
            if (deltaX > 0 && this.session.getScrollLeft() + this.$size.scrollerWidth
                - this.layerConfig.width < -1 + this.scrollMargin.right)
                return true;
        };

        this.pixelToScreenCoordinates = function(x, y) {
            var canvasPos;
            if (this.$hasCssTransforms) {
                canvasPos = {top:0, left: 0};
                var p = this.$fontMetrics.transformCoordinates([x, y]);
                x = p[1] - this.gutterWidth - this.margin.left;
                y = p[0];
            } else {
                canvasPos = this.scroller.getBoundingClientRect();
            }

            var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;
            var offset = offsetX / this.characterWidth;
            var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
            var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);

            return {row: row, column: col, side: offset - col > 0 ? 1 : -1, offsetX:  offsetX};
        };

        this.screenToTextCoordinates = function(x, y) {
            var canvasPos;
            if (this.$hasCssTransforms) {
                canvasPos = {top:0, left: 0};
                var p = this.$fontMetrics.transformCoordinates([x, y]);
                x = p[1] - this.gutterWidth - this.margin.left;
                y = p[0];
            } else {
                canvasPos = this.scroller.getBoundingClientRect();
            }

            var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;
            var offset = offsetX / this.characterWidth;
            var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);

            var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);

            return this.session.screenToDocumentPosition(row, Math.max(col, 0), offsetX);
        };
        this.textToScreenCoordinates = function(row, column) {
            var canvasPos = this.scroller.getBoundingClientRect();
            var pos = this.session.documentToScreenPosition(row, column);

            var x = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, row)
                ? this.session.$bidiHandler.getPosLeft(pos.column)
                : Math.round(pos.column * this.characterWidth));

            var y = pos.row * this.lineHeight;

            return {
                pageX: canvasPos.left + x - this.scrollLeft,
                pageY: canvasPos.top + y - this.scrollTop
            };
        };
        this.visualizeFocus = function() {
            dom.addCssClass(this.container, "ace_focus");
        };
        this.visualizeBlur = function() {
            dom.removeCssClass(this.container, "ace_focus");
        };
        this.showComposition = function(composition) {
            this.$composition = composition;
            if (!composition.cssText) {
                composition.cssText = this.textarea.style.cssText;
            }
            if (composition.useTextareaForIME == undefined)
                composition.useTextareaForIME = this.$useTextareaForIME;

            if (this.$useTextareaForIME) {
                dom.addCssClass(this.textarea, "ace_composition");
                this.textarea.style.cssText = "";
                this.$moveTextAreaToCursor();
                this.$cursorLayer.element.style.display = "none";
            }
            else {
                composition.markerId = this.session.addMarker(composition.markerRange, "ace_composition_marker", "text");
            }
        };
        this.setCompositionText = function(text) {
            var cursor = this.session.selection.cursor;
            this.addToken(text, "composition_placeholder", cursor.row, cursor.column);
            this.$moveTextAreaToCursor();
        };
        this.hideComposition = function() {
            if (!this.$composition)
                return;

            if (this.$composition.markerId)
                this.session.removeMarker(this.$composition.markerId);

            dom.removeCssClass(this.textarea, "ace_composition");
            this.textarea.style.cssText = this.$composition.cssText;
            var cursor = this.session.selection.cursor;
            this.removeExtraToken(cursor.row, cursor.column);
            this.$composition = null;
            this.$cursorLayer.element.style.display = "";
        };

        this.addToken = function(text, type, row, column) {
            var session = this.session;
            session.bgTokenizer.lines[row] = null;
            var newToken = {type: type, value: text};
            var tokens = session.getTokens(row);
            if (column == null) {
                tokens.push(newToken);
            } else {
                var l = 0;
                for (var i =0; i < tokens.length; i++) {
                    var token = tokens[i];
                    l += token.value.length;
                    if (column <= l) {
                        var diff = token.value.length - (l - column);
                        var before = token.value.slice(0, diff);
                        var after = token.value.slice(diff);

                        tokens.splice(i, 1, {type: token.type, value: before},  newToken,  {type: token.type, value: after});
                        break;
                    }
                }
            }
            this.updateLines(row, row);
        };

        this.removeExtraToken = function(row, column) {
            this.updateLines(row, row);
        };
        this.setTheme = function(theme, cb) {
            var _self = this;
            this.$themeId = theme;
            _self._dispatchEvent('themeChange',{theme:theme});

            if (!theme || typeof theme == "string") {
                var moduleName = theme || this.$options.theme.initialValue;
                config.loadModule(["theme", moduleName], afterLoad);
            } else {
                afterLoad(theme);
            }

            function afterLoad(module) {
                if (_self.$themeId != theme)
                    return cb && cb();
                if (!module || !module.cssClass)
                    throw new Error("couldn't load module " + theme + " or it didn't call define");
                if (module.$id)
                    _self.$themeId = module.$id;
                dom.importCssString(
                    module.cssText,
                    module.cssClass,
                    _self.container
                );

                if (_self.theme)
                    dom.removeCssClass(_self.container, _self.theme.cssClass);

                var padding = "padding" in module ? module.padding
                    : "padding" in (_self.theme || {}) ? 4 : _self.$padding;
                if (_self.$padding && padding != _self.$padding)
                    _self.setPadding(padding);
                _self.$theme = module.cssClass;

                _self.theme = module;
                dom.addCssClass(_self.container, module.cssClass);
                dom.setCssClass(_self.container, "ace_dark", module.isDark);
                if (_self.$size) {
                    _self.$size.width = 0;
                    _self.$updateSizeAsync();
                }

                _self._dispatchEvent('themeLoaded', {theme:module});
                cb && cb();
            }
        };
        this.getTheme = function() {
            return this.$themeId;
        };
        this.setStyle = function(style, include) {
            dom.setCssClass(this.container, style, include !== false);
        };
        this.unsetStyle = function(style) {
            dom.removeCssClass(this.container, style);
        };

        this.setCursorStyle = function(style) {
            dom.setStyle(this.scroller.style, "cursor", style);
        };
        this.setMouseCursor = function(cursorStyle) {
            dom.setStyle(this.scroller.style, "cursor", cursorStyle);
        };

        this.attachToShadowRoot = function() {
            dom.importCssString(editorCss, "ace_editor.css", this.container);
        };
        this.destroy = function() {
            this.freeze();
            this.$fontMetrics.destroy();
            this.$cursorLayer.destroy();
            this.removeAllListeners();
            this.container.textContent = "";
        };

    }).call(VirtualRenderer.prototype);


    config.defineOptions(VirtualRenderer.prototype, "renderer", {
        animatedScroll: {initialValue: false},
        showInvisibles: {
            set: function(value) {
                if (this.$textLayer.setShowInvisibles(value))
                    this.$loop.schedule(this.CHANGE_TEXT);
            },
            initialValue: false
        },
        showPrintMargin: {
            set: function() { this.$updatePrintMargin(); },
            initialValue: true
        },
        printMarginColumn: {
            set: function() { this.$updatePrintMargin(); },
            initialValue: 80
        },
        printMargin: {
            set: function(val) {
                if (typeof val == "number")
                    this.$printMarginColumn = val;
                this.$showPrintMargin = !!val;
                this.$updatePrintMargin();
            },
            get: function() {
                return this.$showPrintMargin && this.$printMarginColumn;
            }
        },
        showGutter: {
            set: function(show){
                this.$gutter.style.display = show ? "block" : "none";
                this.$loop.schedule(this.CHANGE_FULL);
                this.onGutterResize();
            },
            initialValue: true
        },
        fadeFoldWidgets: {
            set: function(show) {
                dom.setCssClass(this.$gutter, "ace_fade-fold-widgets", show);
            },
            initialValue: false
        },
        showFoldWidgets: {
            set: function(show) {
                this.$gutterLayer.setShowFoldWidgets(show);
                this.$loop.schedule(this.CHANGE_GUTTER);
            },
            initialValue: true
        },
        displayIndentGuides: {
            set: function(show) {
                if (this.$textLayer.setDisplayIndentGuides(show))
                    this.$loop.schedule(this.CHANGE_TEXT);
            },
            initialValue: true
        },
        highlightGutterLine: {
            set: function(shouldHighlight) {
                this.$gutterLayer.setHighlightGutterLine(shouldHighlight);
                this.$loop.schedule(this.CHANGE_GUTTER);
            },
            initialValue: true
        },
        hScrollBarAlwaysVisible: {
            set: function(val) {
                if (!this.$hScrollBarAlwaysVisible || !this.$horizScroll)
                    this.$loop.schedule(this.CHANGE_SCROLL);
            },
            initialValue: false
        },
        vScrollBarAlwaysVisible: {
            set: function(val) {
                if (!this.$vScrollBarAlwaysVisible || !this.$vScroll)
                    this.$loop.schedule(this.CHANGE_SCROLL);
            },
            initialValue: false
        },
        fontSize: {
            set: function(size) {
                if (typeof size == "number")
                    size = size + "px";
                this.container.style.fontSize = size;
                this.updateFontSize();
            },
            initialValue: 12
        },
        fontFamily: {
            set: function(name) {
                this.container.style.fontFamily = name;
                this.updateFontSize();
            }
        },
        maxLines: {
            set: function(val) {
                this.updateFull();
            }
        },
        minLines: {
            set: function(val) {
                if (!(this.$minLines < 0x1ffffffffffff))
                    this.$minLines = 0;
                this.updateFull();
            }
        },
        maxPixelHeight: {
            set: function(val) {
                this.updateFull();
            },
            initialValue: 0
        },
        scrollPastEnd: {
            set: function(val) {
                val = +val || 0;
                if (this.$scrollPastEnd == val)
                    return;
                this.$scrollPastEnd = val;
                this.$loop.schedule(this.CHANGE_SCROLL);
            },
            initialValue: 0,
            handlesSet: true
        },
        fixedWidthGutter: {
            set: function(val) {
                this.$gutterLayer.$fixedWidth = !!val;
                this.$loop.schedule(this.CHANGE_GUTTER);
            }
        },
        theme: {
            set: function(val) { this.setTheme(val); },
            get: function() { return this.$themeId || this.theme; },
            initialValue: "./theme/textmate",
            handlesSet: true
        },
        hasCssTransforms: {
        },
        useTextareaForIME: {
            initialValue: !useragent.isMobile && !useragent.isIE
        }
    });

    exports.VirtualRenderer = VirtualRenderer;
});

define("ace/worker/worker_client",["require","exports","module","ace/lib/oop","ace/lib/net","ace/lib/event_emitter","ace/config"], function(require, exports, module) {
    "use strict";

    var oop = require("../lib/oop");
    var net = require("../lib/net");
    var EventEmitter = require("../lib/event_emitter").EventEmitter;
    var config = require("../config");

    function $workerBlob(workerUrl) {
        var script = "importScripts('" + net.qualifyURL(workerUrl) + "');";
        try {
            return new Blob([script], {"type": "application/javascript"});
        } catch (e) { // Backwards-compatibility
            var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
            var blobBuilder = new BlobBuilder();
            blobBuilder.append(script);
            return blobBuilder.getBlob("application/javascript");
        }
    }

    function createWorker(workerUrl) {
        if (typeof Worker == "undefined")
            return { postMessage: function() {}, terminate: function() {} };
        if (config.get("loadWorkerFromBlob")) {
            var blob = $workerBlob(workerUrl);
            var URL = window.URL || window.webkitURL;
            var blobURL = URL.createObjectURL(blob);
            return new Worker(blobURL);
        }
        return new Worker(workerUrl);
    }

    var WorkerClient = function(worker) {
        if (!worker.postMessage)
            worker = this.$createWorkerFromOldConfig.apply(this, arguments);

        this.$worker = worker;
        this.$sendDeltaQueue = this.$sendDeltaQueue.bind(this);
        this.changeListener = this.changeListener.bind(this);
        this.onMessage = this.onMessage.bind(this);

        this.callbackId = 1;
        this.callbacks = {};

        this.$worker.onmessage = this.onMessage;
    };

    (function(){

        oop.implement(this, EventEmitter);

        this.$createWorkerFromOldConfig = function(topLevelNamespaces, mod, classname, workerUrl, importScripts) {
            if (require.nameToUrl && !require.toUrl)
                require.toUrl = require.nameToUrl;

            if (config.get("packaged") || !require.toUrl) {
                workerUrl = workerUrl || config.moduleUrl(mod, "worker");
            } else {
                var normalizePath = this.$normalizePath;
                workerUrl = workerUrl || normalizePath(require.toUrl("ace/worker/worker.js", null, "_"));

                var tlns = {};
                topLevelNamespaces.forEach(function(ns) {
                    tlns[ns] = normalizePath(require.toUrl(ns, null, "_").replace(/(\.js)?(\?.*)?$/, ""));
                });
            }

            this.$worker = createWorker(workerUrl);
            if (importScripts) {
                this.send("importScripts", importScripts);
            }
            this.$worker.postMessage({
                init : true,
                tlns : tlns,
                module : mod,
                classname : classname
            });
            return this.$worker;
        };

        this.onMessage = function(e) {
            var msg = e.data;
            switch (msg.type) {
                case "event":
                    this._signal(msg.name, {data: msg.data});
                    break;
                case "call":
                    var callback = this.callbacks[msg.id];
                    if (callback) {
                        callback(msg.data);
                        delete this.callbacks[msg.id];
                    }
                    break;
                case "error":
                    this.reportError(msg.data);
                    break;
                case "log":
                    window.console && console.log && console.log.apply(console, msg.data);
                    break;
            }
        };

        this.reportError = function(err) {
            window.console && console.error && console.error(err);
        };

        this.$normalizePath = function(path) {
            return net.qualifyURL(path);
        };

        this.terminate = function() {
            this._signal("terminate", {});
            this.deltaQueue = null;
            this.$worker.terminate();
            this.$worker = null;
            if (this.$doc)
                this.$doc.off("change", this.changeListener);
            this.$doc = null;
        };

        this.send = function(cmd, args) {
            this.$worker.postMessage({command: cmd, args: args});
        };

        this.call = function(cmd, args, callback) {
            if (callback) {
                var id = this.callbackId++;
                this.callbacks[id] = callback;
                args.push(id);
            }
            this.send(cmd, args);
        };

        this.emit = function(event, data) {
            try {
                if (data.data && data.data.err)
                    data.data.err = {message: data.data.err.message, stack: data.data.err.stack, code: data.data.err.code};
                this.$worker && this.$worker.postMessage({event: event, data: {data: data.data}});
            }
            catch(ex) {
                console.error(ex.stack);
            }
        };

        this.attachToDocument = function(doc) {
            if (this.$doc)
                this.terminate();

            this.$doc = doc;
            this.call("setValue", [doc.getValue()]);
            doc.on("change", this.changeListener);
        };

        this.changeListener = function(delta) {
            if (!this.deltaQueue) {
                this.deltaQueue = [];
                setTimeout(this.$sendDeltaQueue, 0);
            }
            if (delta.action == "insert")
                this.deltaQueue.push(delta.start, delta.lines);
            else
                this.deltaQueue.push(delta.start, delta.end);
        };

        this.$sendDeltaQueue = function() {
            var q = this.deltaQueue;
            if (!q) return;
            this.deltaQueue = null;
            if (q.length > 50 && q.length > this.$doc.getLength() >> 1) {
                this.call("setValue", [this.$doc.getValue()]);
            } else
                this.emit("change", {data: q});
        };

    }).call(WorkerClient.prototype);


    var UIWorkerClient = function(topLevelNamespaces, mod, classname) {
        var main = null;
        var emitSync = false;
        var sender = Object.create(EventEmitter);

        var messageBuffer = [];
        var workerClient = new WorkerClient({
            messageBuffer: messageBuffer,
            terminate: function() {},
            postMessage: function(e) {
                messageBuffer.push(e);
                if (!main) return;
                if (emitSync)
                    setTimeout(processNext);
                else
                    processNext();
            }
        });

        workerClient.setEmitSync = function(val) { emitSync = val; };

        var processNext = function() {
            var msg = messageBuffer.shift();
            if (msg.command)
                main[msg.command].apply(main, msg.args);
            else if (msg.event)
                sender._signal(msg.event, msg.data);
        };

        sender.postMessage = function(msg) {
            workerClient.onMessage({data: msg});
        };
        sender.callback = function(data, callbackId) {
            this.postMessage({type: "call", id: callbackId, data: data});
        };
        sender.emit = function(name, data) {
            this.postMessage({type: "event", name: name, data: data});
        };

        config.loadModule(["worker", mod], function(Main) {
            main = new Main[classname](sender);
            while (messageBuffer.length)
                processNext();
        });

        return workerClient;
    };

    exports.UIWorkerClient = UIWorkerClient;
    exports.WorkerClient = WorkerClient;
    exports.createWorker = createWorker;


});

define("ace/placeholder",["require","exports","module","ace/range","ace/lib/event_emitter","ace/lib/oop"], function(require, exports, module) {
    "use strict";

    var Range = require("./range").Range;
    var EventEmitter = require("./lib/event_emitter").EventEmitter;
    var oop = require("./lib/oop");

    var PlaceHolder = function(session, length, pos, others, mainClass, othersClass) {
        var _self = this;
        this.length = length;
        this.session = session;
        this.doc = session.getDocument();
        this.mainClass = mainClass;
        this.othersClass = othersClass;
        this.$onUpdate = this.onUpdate.bind(this);
        this.doc.on("change", this.$onUpdate);
        this.$others = others;

        this.$onCursorChange = function() {
            setTimeout(function() {
                _self.onCursorChange();
            });
        };

        this.$pos = pos;
        var undoStack = session.getUndoManager().$undoStack || session.getUndoManager().$undostack || {length: -1};
        this.$undoStackDepth = undoStack.length;
        this.setup();

        session.selection.on("changeCursor", this.$onCursorChange);
    };

    (function() {

        oop.implement(this, EventEmitter);
        this.setup = function() {
            var _self = this;
            var doc = this.doc;
            var session = this.session;

            this.selectionBefore = session.selection.toJSON();
            if (session.selection.inMultiSelectMode)
                session.selection.toSingleRange();

            this.pos = doc.createAnchor(this.$pos.row, this.$pos.column);
            var pos = this.pos;
            pos.$insertRight = true;
            pos.detach();
            pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);
            this.others = [];
            this.$others.forEach(function(other) {
                var anchor = doc.createAnchor(other.row, other.column);
                anchor.$insertRight = true;
                anchor.detach();
                _self.others.push(anchor);
            });
            session.setUndoSelect(false);
        };
        this.showOtherMarkers = function() {
            if (this.othersActive) return;
            var session = this.session;
            var _self = this;
            this.othersActive = true;
            this.others.forEach(function(anchor) {
                anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column+_self.length), _self.othersClass, null, false);
            });
        };
        this.hideOtherMarkers = function() {
            if (!this.othersActive) return;
            this.othersActive = false;
            for (var i = 0; i < this.others.length; i++) {
                this.session.removeMarker(this.others[i].markerId);
            }
        };
        this.onUpdate = function(delta) {
            if (this.$updating)
                return this.updateAnchors(delta);

            var range = delta;
            if (range.start.row !== range.end.row) return;
            if (range.start.row !== this.pos.row) return;
            this.$updating = true;
            var lengthDiff = delta.action === "insert" ? range.end.column - range.start.column : range.start.column - range.end.column;
            var inMainRange = range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1;
            var distanceFromStart = range.start.column - this.pos.column;

            this.updateAnchors(delta);

            if (inMainRange)
                this.length += lengthDiff;

            if (inMainRange && !this.session.$fromUndo) {
                if (delta.action === 'insert') {
                    for (var i = this.others.length - 1; i >= 0; i--) {
                        var otherPos = this.others[i];
                        var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
                        this.doc.insertMergedLines(newPos, delta.lines);
                    }
                } else if (delta.action === 'remove') {
                    for (var i = this.others.length - 1; i >= 0; i--) {
                        var otherPos = this.others[i];
                        var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
                        this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));
                    }
                }
            }

            this.$updating = false;
            this.updateMarkers();
        };

        this.updateAnchors = function(delta) {
            this.pos.onChange(delta);
            for (var i = this.others.length; i--;)
                this.others[i].onChange(delta);
            this.updateMarkers();
        };

        this.updateMarkers = function() {
            if (this.$updating)
                return;
            var _self = this;
            var session = this.session;
            var updateMarker = function(pos, className) {
                session.removeMarker(pos.markerId);
                pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column+_self.length), className, null, false);
            };
            updateMarker(this.pos, this.mainClass);
            for (var i = this.others.length; i--;)
                updateMarker(this.others[i], this.othersClass);
        };

        this.onCursorChange = function(event) {
            if (this.$updating || !this.session) return;
            var pos = this.session.selection.getCursor();
            if (pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {
                this.showOtherMarkers();
                this._emit("cursorEnter", event);
            } else {
                this.hideOtherMarkers();
                this._emit("cursorLeave", event);
            }
        };
        this.detach = function() {
            this.session.removeMarker(this.pos && this.pos.markerId);
            this.hideOtherMarkers();
            this.doc.off("change", this.$onUpdate);
            this.session.selection.off("changeCursor", this.$onCursorChange);
            this.session.setUndoSelect(true);
            this.session = null;
        };
        this.cancel = function() {
            if (this.$undoStackDepth === -1)
                return;
            var undoManager = this.session.getUndoManager();
            var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;
            for (var i = 0; i < undosRequired; i++) {
                undoManager.undo(this.session, true);
            }
            if (this.selectionBefore)
                this.session.selection.fromJSON(this.selectionBefore);
        };
    }).call(PlaceHolder.prototype);


    exports.PlaceHolder = PlaceHolder;
});

define("ace/mouse/multi_select_handler",["require","exports","module","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {

    var event = require("../lib/event");
    var useragent = require("../lib/useragent");
    function isSamePoint(p1, p2) {
        return p1.row == p2.row && p1.column == p2.column;
    }

    function onMouseDown(e) {
        var ev = e.domEvent;
        var alt = ev.altKey;
        var shift = ev.shiftKey;
        var ctrl = ev.ctrlKey;
        var accel = e.getAccelKey();
        var button = e.getButton();

        if (ctrl && useragent.isMac)
            button = ev.button;

        if (e.editor.inMultiSelectMode && button == 2) {
            e.editor.textInput.onContextMenu(e.domEvent);
            return;
        }

        if (!ctrl && !alt && !accel) {
            if (button === 0 && e.editor.inMultiSelectMode)
                e.editor.exitMultiSelectMode();
            return;
        }

        if (button !== 0)
            return;

        var editor = e.editor;
        var selection = editor.selection;
        var isMultiSelect = editor.inMultiSelectMode;
        var pos = e.getDocumentPosition();
        var cursor = selection.getCursor();
        var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));

        var mouseX = e.x, mouseY = e.y;
        var onMouseSelection = function(e) {
            mouseX = e.clientX;
            mouseY = e.clientY;
        };

        var session = editor.session;
        var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
        var screenCursor = screenAnchor;

        var selectionMode;
        if (editor.$mouseHandler.$enableJumpToDef) {
            if (ctrl && alt || accel && alt)
                selectionMode = shift ? "block" : "add";
            else if (alt && editor.$blockSelectEnabled)
                selectionMode = "block";
        } else {
            if (accel && !alt) {
                selectionMode = "add";
                if (!isMultiSelect && shift)
                    return;
            } else if (alt && editor.$blockSelectEnabled) {
                selectionMode = "block";
            }
        }

        if (selectionMode && useragent.isMac && ev.ctrlKey) {
            editor.$mouseHandler.cancelContextMenu();
        }

        if (selectionMode == "add") {
            if (!isMultiSelect && inSelection)
                return; // dragging

            if (!isMultiSelect) {
                var range = selection.toOrientedRange();
                editor.addSelectionMarker(range);
            }

            var oldRange = selection.rangeList.rangeAtPoint(pos);

            editor.inVirtualSelectionMode = true;

            if (shift) {
                oldRange = null;
                range = selection.ranges[0] || range;
                editor.removeSelectionMarker(range);
            }
            editor.once("mouseup", function() {
                var tmpSel = selection.toOrientedRange();

                if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))
                    selection.substractPoint(tmpSel.cursor);
                else {
                    if (shift) {
                        selection.substractPoint(range.cursor);
                    } else if (range) {
                        editor.removeSelectionMarker(range);
                        selection.addRange(range);
                    }
                    selection.addRange(tmpSel);
                }
                editor.inVirtualSelectionMode = false;
            });

        } else if (selectionMode == "block") {
            e.stop();
            editor.inVirtualSelectionMode = true;
            var initialRange;
            var rectSel = [];
            var blockSelect = function() {
                var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
                var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column, newCursor.offsetX);

                if (isSamePoint(screenCursor, newCursor) && isSamePoint(cursor, selection.lead))
                    return;
                screenCursor = newCursor;

                editor.selection.moveToPosition(cursor);
                editor.renderer.scrollCursorIntoView();

                editor.removeSelectionMarkers(rectSel);
                rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);
                if (editor.$mouseHandler.$clickSelection && rectSel.length == 1 && rectSel[0].isEmpty())
                    rectSel[0] = editor.$mouseHandler.$clickSelection.clone();
                rectSel.forEach(editor.addSelectionMarker, editor);
                editor.updateSelectionMarkers();
            };
            if (isMultiSelect && !accel) {
                selection.toSingleRange();
            } else if (!isMultiSelect && accel) {
                initialRange = selection.toOrientedRange();
                editor.addSelectionMarker(initialRange);
            }

            if (shift)
                screenAnchor = session.documentToScreenPosition(selection.lead);
            else
                selection.moveToPosition(pos);

            screenCursor = {row: -1, column: -1};

            var onMouseSelectionEnd = function(e) {
                blockSelect();
                clearInterval(timerId);
                editor.removeSelectionMarkers(rectSel);
                if (!rectSel.length)
                    rectSel = [selection.toOrientedRange()];
                if (initialRange) {
                    editor.removeSelectionMarker(initialRange);
                    selection.toSingleRange(initialRange);
                }
                for (var i = 0; i < rectSel.length; i++)
                    selection.addRange(rectSel[i]);
                editor.inVirtualSelectionMode = false;
                editor.$mouseHandler.$clickSelection = null;
            };

            var onSelectionInterval = blockSelect;

            event.capture(editor.container, onMouseSelection, onMouseSelectionEnd);
            var timerId = setInterval(function() {onSelectionInterval();}, 20);

            return e.preventDefault();
        }
    }


    exports.onMouseDown = onMouseDown;

});

define("ace/commands/multi_select_commands",["require","exports","module","ace/keyboard/hash_handler"], function(require, exports, module) {
    exports.defaultCommands = [{
        name: "addCursorAbove",
        description: "Add cursor above",
        exec: function(editor) { editor.selectMoreLines(-1); },
        bindKey: {win: "Ctrl-Alt-Up", mac: "Ctrl-Alt-Up"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "addCursorBelow",
        description: "Add cursor below",
        exec: function(editor) { editor.selectMoreLines(1); },
        bindKey: {win: "Ctrl-Alt-Down", mac: "Ctrl-Alt-Down"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "addCursorAboveSkipCurrent",
        description: "Add cursor above (skip current)",
        exec: function(editor) { editor.selectMoreLines(-1, true); },
        bindKey: {win: "Ctrl-Alt-Shift-Up", mac: "Ctrl-Alt-Shift-Up"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "addCursorBelowSkipCurrent",
        description: "Add cursor below (skip current)",
        exec: function(editor) { editor.selectMoreLines(1, true); },
        bindKey: {win: "Ctrl-Alt-Shift-Down", mac: "Ctrl-Alt-Shift-Down"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectMoreBefore",
        description: "Select more before",
        exec: function(editor) { editor.selectMore(-1); },
        bindKey: {win: "Ctrl-Alt-Left", mac: "Ctrl-Alt-Left"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectMoreAfter",
        description: "Select more after",
        exec: function(editor) { editor.selectMore(1); },
        bindKey: {win: "Ctrl-Alt-Right", mac: "Ctrl-Alt-Right"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectNextBefore",
        description: "Select next before",
        exec: function(editor) { editor.selectMore(-1, true); },
        bindKey: {win: "Ctrl-Alt-Shift-Left", mac: "Ctrl-Alt-Shift-Left"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "selectNextAfter",
        description: "Select next after",
        exec: function(editor) { editor.selectMore(1, true); },
        bindKey: {win: "Ctrl-Alt-Shift-Right", mac: "Ctrl-Alt-Shift-Right"},
        scrollIntoView: "cursor",
        readOnly: true
    }, {
        name: "toggleSplitSelectionIntoLines",
        description: "Split into lines",
        exec: function(editor) {
            if (editor.multiSelect.rangeCount > 1)
                editor.multiSelect.joinSelections();
            else
                editor.multiSelect.splitIntoLines();
        },
        bindKey: {win: "Ctrl-Alt-L", mac: "Ctrl-Alt-L"},
        readOnly: true
    }, {
        name: "splitSelectionIntoLines",
        description: "Split into lines",
        exec: function(editor) { editor.multiSelect.splitIntoLines(); },
        readOnly: true
    }, {
        name: "alignCursors",
        description: "Align cursors",
        exec: function(editor) { editor.alignCursors(); },
        bindKey: {win: "Ctrl-Alt-A", mac: "Ctrl-Alt-A"},
        scrollIntoView: "cursor"
    }, {
        name: "findAll",
        description: "Find all",
        exec: function(editor) { editor.findAll(); },
        bindKey: {win: "Ctrl-Alt-K", mac: "Ctrl-Alt-G"},
        scrollIntoView: "cursor",
        readOnly: true
    }];
    exports.multiSelectCommands = [{
        name: "singleSelection",
        description: "Single selection",
        bindKey: "esc",
        exec: function(editor) { editor.exitMultiSelectMode(); },
        scrollIntoView: "cursor",
        readOnly: true,
        isAvailable: function(editor) {return editor && editor.inMultiSelectMode;}
    }];

    var HashHandler = require("../keyboard/hash_handler").HashHandler;
    exports.keyboardHandler = new HashHandler(exports.multiSelectCommands);

});

define("ace/multi_select",["require","exports","module","ace/range_list","ace/range","ace/selection","ace/mouse/multi_select_handler","ace/lib/event","ace/lib/lang","ace/commands/multi_select_commands","ace/search","ace/edit_session","ace/editor","ace/config"], function(require, exports, module) {

    var RangeList = require("./range_list").RangeList;
    var Range = require("./range").Range;
    var Selection = require("./selection").Selection;
    var onMouseDown = require("./mouse/multi_select_handler").onMouseDown;
    var event = require("./lib/event");
    var lang = require("./lib/lang");
    var commands = require("./commands/multi_select_commands");
    exports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);
    var Search = require("./search").Search;
    var search = new Search();

    function find(session, needle, dir) {
        search.$options.wrap = true;
        search.$options.needle = needle;
        search.$options.backwards = dir == -1;
        return search.find(session);
    }
    var EditSession = require("./edit_session").EditSession;
    (function() {
        this.getSelectionMarkers = function() {
            return this.$selectionMarkers;
        };
    }).call(EditSession.prototype);
    (function() {
        this.ranges = null;
        this.rangeList = null;
        this.addRange = function(range, $blockChangeEvents) {
            if (!range)
                return;

            if (!this.inMultiSelectMode && this.rangeCount === 0) {
                var oldRange = this.toOrientedRange();
                this.rangeList.add(oldRange);
                this.rangeList.add(range);
                if (this.rangeList.ranges.length != 2) {
                    this.rangeList.removeAll();
                    return $blockChangeEvents || this.fromOrientedRange(range);
                }
                this.rangeList.removeAll();
                this.rangeList.add(oldRange);
                this.$onAddRange(oldRange);
            }

            if (!range.cursor)
                range.cursor = range.end;

            var removed = this.rangeList.add(range);

            this.$onAddRange(range);

            if (removed.length)
                this.$onRemoveRange(removed);

            if (this.rangeCount > 1 && !this.inMultiSelectMode) {
                this._signal("multiSelect");
                this.inMultiSelectMode = true;
                this.session.$undoSelect = false;
                this.rangeList.attach(this.session);
            }

            return $blockChangeEvents || this.fromOrientedRange(range);
        };
        this.toSingleRange = function(range) {
            range = range || this.ranges[0];
            var removed = this.rangeList.removeAll();
            if (removed.length)
                this.$onRemoveRange(removed);

            range && this.fromOrientedRange(range);
        };
        this.substractPoint = function(pos) {
            var removed = this.rangeList.substractPoint(pos);
            if (removed) {
                this.$onRemoveRange(removed);
                return removed[0];
            }
        };
        this.mergeOverlappingRanges = function() {
            var removed = this.rangeList.merge();
            if (removed.length)
                this.$onRemoveRange(removed);
        };

        this.$onAddRange = function(range) {
            this.rangeCount = this.rangeList.ranges.length;
            this.ranges.unshift(range);
            this._signal("addRange", {range: range});
        };

        this.$onRemoveRange = function(removed) {
            this.rangeCount = this.rangeList.ranges.length;
            if (this.rangeCount == 1 && this.inMultiSelectMode) {
                var lastRange = this.rangeList.ranges.pop();
                removed.push(lastRange);
                this.rangeCount = 0;
            }

            for (var i = removed.length; i--; ) {
                var index = this.ranges.indexOf(removed[i]);
                this.ranges.splice(index, 1);
            }

            this._signal("removeRange", {ranges: removed});

            if (this.rangeCount === 0 && this.inMultiSelectMode) {
                this.inMultiSelectMode = false;
                this._signal("singleSelect");
                this.session.$undoSelect = true;
                this.rangeList.detach(this.session);
            }

            lastRange = lastRange || this.ranges[0];
            if (lastRange && !lastRange.isEqual(this.getRange()))
                this.fromOrientedRange(lastRange);
        };
        this.$initRangeList = function() {
            if (this.rangeList)
                return;

            this.rangeList = new RangeList();
            this.ranges = [];
            this.rangeCount = 0;
        };
        this.getAllRanges = function() {
            return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];
        };
        this.splitIntoLines = function () {
            var ranges = this.ranges.length ? this.ranges : [this.getRange()];
            var newRanges = [];
            for (var i = 0; i < ranges.length; i++) {
                var range = ranges[i];
                var row = range.start.row;
                var endRow = range.end.row;
                if (row === endRow) {
                    newRanges.push(range.clone());
                } else {
                    newRanges.push(new Range(row, range.start.column, row, this.session.getLine(row).length));
                    while (++row < endRow)
                        newRanges.push(this.getLineRange(row, true));
                    newRanges.push(new Range(endRow, 0, endRow, range.end.column));
                }
                if (i == 0 && !this.isBackwards())
                    newRanges = newRanges.reverse();
            }
            this.toSingleRange();
            for (var i = newRanges.length; i--;)
                this.addRange(newRanges[i]);
        };

        this.joinSelections = function () {
            var ranges = this.rangeList.ranges;
            var lastRange = ranges[ranges.length - 1];
            var range = Range.fromPoints(ranges[0].start, lastRange.end);

            this.toSingleRange();
            this.setSelectionRange(range, lastRange.cursor == lastRange.start);
        };
        this.toggleBlockSelection = function () {
            if (this.rangeCount > 1) {
                var ranges = this.rangeList.ranges;
                var lastRange = ranges[ranges.length - 1];
                var range = Range.fromPoints(ranges[0].start, lastRange.end);

                this.toSingleRange();
                this.setSelectionRange(range, lastRange.cursor == lastRange.start);
            } else {
                var cursor = this.session.documentToScreenPosition(this.cursor);
                var anchor = this.session.documentToScreenPosition(this.anchor);

                var rectSel = this.rectangularRangeBlock(cursor, anchor);
                rectSel.forEach(this.addRange, this);
            }
        };
        this.rectangularRangeBlock = function(screenCursor, screenAnchor, includeEmptyLines) {
            var rectSel = [];

            var xBackwards = screenCursor.column < screenAnchor.column;
            if (xBackwards) {
                var startColumn = screenCursor.column;
                var endColumn = screenAnchor.column;
                var startOffsetX = screenCursor.offsetX;
                var endOffsetX = screenAnchor.offsetX;
            } else {
                var startColumn = screenAnchor.column;
                var endColumn = screenCursor.column;
                var startOffsetX = screenAnchor.offsetX;
                var endOffsetX = screenCursor.offsetX;
            }

            var yBackwards = screenCursor.row < screenAnchor.row;
            if (yBackwards) {
                var startRow = screenCursor.row;
                var endRow = screenAnchor.row;
            } else {
                var startRow = screenAnchor.row;
                var endRow = screenCursor.row;
            }

            if (startColumn < 0)
                startColumn = 0;
            if (startRow < 0)
                startRow = 0;

            if (startRow == endRow)
                includeEmptyLines = true;

            var docEnd;
            for (var row = startRow; row <= endRow; row++) {
                var range = Range.fromPoints(
                    this.session.screenToDocumentPosition(row, startColumn, startOffsetX),
                    this.session.screenToDocumentPosition(row, endColumn, endOffsetX)
                );
                if (range.isEmpty()) {
                    if (docEnd && isSamePoint(range.end, docEnd))
                        break;
                    docEnd = range.end;
                }
                range.cursor = xBackwards ? range.start : range.end;
                rectSel.push(range);
            }

            if (yBackwards)
                rectSel.reverse();

            if (!includeEmptyLines) {
                var end = rectSel.length - 1;
                while (rectSel[end].isEmpty() && end > 0)
                    end--;
                if (end > 0) {
                    var start = 0;
                    while (rectSel[start].isEmpty())
                        start++;
                }
                for (var i = end; i >= start; i--) {
                    if (rectSel[i].isEmpty())
                        rectSel.splice(i, 1);
                }
            }

            return rectSel;
        };
    }).call(Selection.prototype);
    var Editor = require("./editor").Editor;
    (function() {
        this.updateSelectionMarkers = function() {
            this.renderer.updateCursor();
            this.renderer.updateBackMarkers();
        };
        this.addSelectionMarker = function(orientedRange) {
            if (!orientedRange.cursor)
                orientedRange.cursor = orientedRange.end;

            var style = this.getSelectionStyle();
            orientedRange.marker = this.session.addMarker(orientedRange, "ace_selection", style);

            this.session.$selectionMarkers.push(orientedRange);
            this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
            return orientedRange;
        };
        this.removeSelectionMarker = function(range) {
            if (!range.marker)
                return;
            this.session.removeMarker(range.marker);
            var index = this.session.$selectionMarkers.indexOf(range);
            if (index != -1)
                this.session.$selectionMarkers.splice(index, 1);
            this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
        };

        this.removeSelectionMarkers = function(ranges) {
            var markerList = this.session.$selectionMarkers;
            for (var i = ranges.length; i--; ) {
                var range = ranges[i];
                if (!range.marker)
                    continue;
                this.session.removeMarker(range.marker);
                var index = markerList.indexOf(range);
                if (index != -1)
                    markerList.splice(index, 1);
            }
            this.session.selectionMarkerCount = markerList.length;
        };

        this.$onAddRange = function(e) {
            this.addSelectionMarker(e.range);
            this.renderer.updateCursor();
            this.renderer.updateBackMarkers();
        };

        this.$onRemoveRange = function(e) {
            this.removeSelectionMarkers(e.ranges);
            this.renderer.updateCursor();
            this.renderer.updateBackMarkers();
        };

        this.$onMultiSelect = function(e) {
            if (this.inMultiSelectMode)
                return;
            this.inMultiSelectMode = true;

            this.setStyle("ace_multiselect");
            this.keyBinding.addKeyboardHandler(commands.keyboardHandler);
            this.commands.setDefaultHandler("exec", this.$onMultiSelectExec);

            this.renderer.updateCursor();
            this.renderer.updateBackMarkers();
        };

        this.$onSingleSelect = function(e) {
            if (this.session.multiSelect.inVirtualMode)
                return;
            this.inMultiSelectMode = false;

            this.unsetStyle("ace_multiselect");
            this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);

            this.commands.removeDefaultHandler("exec", this.$onMultiSelectExec);
            this.renderer.updateCursor();
            this.renderer.updateBackMarkers();
            this._emit("changeSelection");
        };

        this.$onMultiSelectExec = function(e) {
            var command = e.command;
            var editor = e.editor;
            if (!editor.multiSelect)
                return;
            if (!command.multiSelectAction) {
                var result = command.exec(editor, e.args || {});
                editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());
                editor.multiSelect.mergeOverlappingRanges();
            } else if (command.multiSelectAction == "forEach") {
                result = editor.forEachSelection(command, e.args);
            } else if (command.multiSelectAction == "forEachLine") {
                result = editor.forEachSelection(command, e.args, true);
            } else if (command.multiSelectAction == "single") {
                editor.exitMultiSelectMode();
                result = command.exec(editor, e.args || {});
            } else {
                result = command.multiSelectAction(editor, e.args || {});
            }
            return result;
        };
        this.forEachSelection = function(cmd, args, options) {
            if (this.inVirtualSelectionMode)
                return;
            var keepOrder = options && options.keepOrder;
            var $byLines = options == true || options && options.$byLines;
            var session = this.session;
            var selection = this.selection;
            var rangeList = selection.rangeList;
            var ranges = (keepOrder ? selection : rangeList).ranges;
            var result;

            if (!ranges.length)
                return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});

            var reg = selection._eventRegistry;
            selection._eventRegistry = {};

            var tmpSel = new Selection(session);
            this.inVirtualSelectionMode = true;
            for (var i = ranges.length; i--;) {
                if ($byLines) {
                    while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)
                        i--;
                }
                tmpSel.fromOrientedRange(ranges[i]);
                tmpSel.index = i;
                this.selection = session.selection = tmpSel;
                var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
                if (!result && cmdResult !== undefined)
                    result = cmdResult;
                tmpSel.toOrientedRange(ranges[i]);
            }
            tmpSel.detach();

            this.selection = session.selection = selection;
            this.inVirtualSelectionMode = false;
            selection._eventRegistry = reg;
            selection.mergeOverlappingRanges();
            if (selection.ranges[0])
                selection.fromOrientedRange(selection.ranges[0]);

            var anim = this.renderer.$scrollAnimation;
            this.onCursorChange();
            this.onSelectionChange();
            if (anim && anim.from == anim.to)
                this.renderer.animateScrolling(anim.from);

            return result;
        };
        this.exitMultiSelectMode = function() {
            if (!this.inMultiSelectMode || this.inVirtualSelectionMode)
                return;
            this.multiSelect.toSingleRange();
        };

        this.getSelectedText = function() {
            var text = "";
            if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
                var ranges = this.multiSelect.rangeList.ranges;
                var buf = [];
                for (var i = 0; i < ranges.length; i++) {
                    buf.push(this.session.getTextRange(ranges[i]));
                }
                var nl = this.session.getDocument().getNewLineCharacter();
                text = buf.join(nl);
                if (text.length == (buf.length - 1) * nl.length)
                    text = "";
            } else if (!this.selection.isEmpty()) {
                text = this.session.getTextRange(this.getSelectionRange());
            }
            return text;
        };

        this.$checkMultiselectChange = function(e, anchor) {
            if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
                var range = this.multiSelect.ranges[0];
                if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)
                    return;
                var pos = anchor == this.multiSelect.anchor
                    ? range.cursor == range.start ? range.end : range.start
                    : range.cursor;
                if (pos.row != anchor.row
                    || this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)
                    this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());
                else
                    this.multiSelect.mergeOverlappingRanges();
            }
        };
        this.findAll = function(needle, options, additive) {
            options = options || {};
            options.needle = needle || options.needle;
            if (options.needle == undefined) {
                var range = this.selection.isEmpty()
                    ? this.selection.getWordRange()
                    : this.selection.getRange();
                options.needle = this.session.getTextRange(range);
            }
            this.$search.set(options);

            var ranges = this.$search.findAll(this.session);
            if (!ranges.length)
                return 0;

            var selection = this.multiSelect;

            if (!additive)
                selection.toSingleRange(ranges[0]);

            for (var i = ranges.length; i--; )
                selection.addRange(ranges[i], true);
            if (range && selection.rangeList.rangeAtPoint(range.start))
                selection.addRange(range, true);

            return ranges.length;
        };
        this.selectMoreLines = function(dir, skip) {
            var range = this.selection.toOrientedRange();
            var isBackwards = range.cursor == range.end;

            var screenLead = this.session.documentToScreenPosition(range.cursor);
            if (this.selection.$desiredColumn)
                screenLead.column = this.selection.$desiredColumn;

            var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);

            if (!range.isEmpty()) {
                var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);
                var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);
            } else {
                var anchor = lead;
            }

            if (isBackwards) {
                var newRange = Range.fromPoints(lead, anchor);
                newRange.cursor = newRange.start;
            } else {
                var newRange = Range.fromPoints(anchor, lead);
                newRange.cursor = newRange.end;
            }

            newRange.desiredColumn = screenLead.column;
            if (!this.selection.inMultiSelectMode) {
                this.selection.addRange(range);
            } else {
                if (skip)
                    var toRemove = range.cursor;
            }

            this.selection.addRange(newRange);
            if (toRemove)
                this.selection.substractPoint(toRemove);
        };
        this.transposeSelections = function(dir) {
            var session = this.session;
            var sel = session.multiSelect;
            var all = sel.ranges;

            for (var i = all.length; i--; ) {
                var range = all[i];
                if (range.isEmpty()) {
                    var tmp = session.getWordRange(range.start.row, range.start.column);
                    range.start.row = tmp.start.row;
                    range.start.column = tmp.start.column;
                    range.end.row = tmp.end.row;
                    range.end.column = tmp.end.column;
                }
            }
            sel.mergeOverlappingRanges();

            var words = [];
            for (var i = all.length; i--; ) {
                var range = all[i];
                words.unshift(session.getTextRange(range));
            }

            if (dir < 0)
                words.unshift(words.pop());
            else
                words.push(words.shift());

            for (var i = all.length; i--; ) {
                var range = all[i];
                var tmp = range.clone();
                session.replace(range, words[i]);
                range.start.row = tmp.start.row;
                range.start.column = tmp.start.column;
            }
            sel.fromOrientedRange(sel.ranges[0]);
        };
        this.selectMore = function(dir, skip, stopAtFirst) {
            var session = this.session;
            var sel = session.multiSelect;

            var range = sel.toOrientedRange();
            if (range.isEmpty()) {
                range = session.getWordRange(range.start.row, range.start.column);
                range.cursor = dir == -1 ? range.start : range.end;
                this.multiSelect.addRange(range);
                if (stopAtFirst)
                    return;
            }
            var needle = session.getTextRange(range);

            var newRange = find(session, needle, dir);
            if (newRange) {
                newRange.cursor = dir == -1 ? newRange.start : newRange.end;
                this.session.unfold(newRange);
                this.multiSelect.addRange(newRange);
                this.renderer.scrollCursorIntoView(null, 0.5);
            }
            if (skip)
                this.multiSelect.substractPoint(range.cursor);
        };
        this.alignCursors = function() {
            var session = this.session;
            var sel = session.multiSelect;
            var ranges = sel.ranges;
            var row = -1;
            var sameRowRanges = ranges.filter(function(r) {
                if (r.cursor.row == row)
                    return true;
                row = r.cursor.row;
            });

            if (!ranges.length || sameRowRanges.length == ranges.length - 1) {
                var range = this.selection.getRange();
                var fr = range.start.row, lr = range.end.row;
                var guessRange = fr == lr;
                if (guessRange) {
                    var max = this.session.getLength();
                    var line;
                    do {
                        line = this.session.getLine(lr);
                    } while (/[=:]/.test(line) && ++lr < max);
                    do {
                        line = this.session.getLine(fr);
                    } while (/[=:]/.test(line) && --fr > 0);

                    if (fr < 0) fr = 0;
                    if (lr >= max) lr = max - 1;
                }
                var lines = this.session.removeFullLines(fr, lr);
                lines = this.$reAlignText(lines, guessRange);
                this.session.insert({row: fr, column: 0}, lines.join("\n") + "\n");
                if (!guessRange) {
                    range.start.column = 0;
                    range.end.column = lines[lines.length - 1].length;
                }
                this.selection.setRange(range);
            } else {
                sameRowRanges.forEach(function(r) {
                    sel.substractPoint(r.cursor);
                });

                var maxCol = 0;
                var minSpace = Infinity;
                var spaceOffsets = ranges.map(function(r) {
                    var p = r.cursor;
                    var line = session.getLine(p.row);
                    var spaceOffset = line.substr(p.column).search(/\S/g);
                    if (spaceOffset == -1)
                        spaceOffset = 0;

                    if (p.column > maxCol)
                        maxCol = p.column;
                    if (spaceOffset < minSpace)
                        minSpace = spaceOffset;
                    return spaceOffset;
                });
                ranges.forEach(function(r, i) {
                    var p = r.cursor;
                    var l = maxCol - p.column;
                    var d = spaceOffsets[i] - minSpace;
                    if (l > d)
                        session.insert(p, lang.stringRepeat(" ", l - d));
                    else
                        session.remove(new Range(p.row, p.column, p.row, p.column - l + d));

                    r.start.column = r.end.column = maxCol;
                    r.start.row = r.end.row = p.row;
                    r.cursor = r.end;
                });
                sel.fromOrientedRange(ranges[0]);
                this.renderer.updateCursor();
                this.renderer.updateBackMarkers();
            }
        };

        this.$reAlignText = function(lines, forceLeft) {
            var isLeftAligned = true, isRightAligned = true;
            var startW, textW, endW;

            return lines.map(function(line) {
                var m = line.match(/(\s*)(.*?)(\s*)([=:].*)/);
                if (!m)
                    return [line];

                if (startW == null) {
                    startW = m[1].length;
                    textW = m[2].length;
                    endW = m[3].length;
                    return m;
                }

                if (startW + textW + endW != m[1].length + m[2].length + m[3].length)
                    isRightAligned = false;
                if (startW != m[1].length)
                    isLeftAligned = false;

                if (startW > m[1].length)
                    startW = m[1].length;
                if (textW < m[2].length)
                    textW = m[2].length;
                if (endW > m[3].length)
                    endW = m[3].length;

                return m;
            }).map(forceLeft ? alignLeft :
                isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);

            function spaces(n) {
                return lang.stringRepeat(" ", n);
            }

            function alignLeft(m) {
                return !m[2] ? m[0] : spaces(startW) + m[2]
                    + spaces(textW - m[2].length + endW)
                    + m[4].replace(/^([=:])\s+/, "$1 ");
            }
            function alignRight(m) {
                return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2]
                    + spaces(endW)
                    + m[4].replace(/^([=:])\s+/, "$1 ");
            }
            function unAlign(m) {
                return !m[2] ? m[0] : spaces(startW) + m[2]
                    + spaces(endW)
                    + m[4].replace(/^([=:])\s+/, "$1 ");
            }
        };
    }).call(Editor.prototype);


    function isSamePoint(p1, p2) {
        return p1.row == p2.row && p1.column == p2.column;
    }
    exports.onSessionChange = function(e) {
        var session = e.session;
        if (session && !session.multiSelect) {
            session.$selectionMarkers = [];
            session.selection.$initRangeList();
            session.multiSelect = session.selection;
        }
        this.multiSelect = session && session.multiSelect;

        var oldSession = e.oldSession;
        if (oldSession) {
            oldSession.multiSelect.off("addRange", this.$onAddRange);
            oldSession.multiSelect.off("removeRange", this.$onRemoveRange);
            oldSession.multiSelect.off("multiSelect", this.$onMultiSelect);
            oldSession.multiSelect.off("singleSelect", this.$onSingleSelect);
            oldSession.multiSelect.lead.off("change", this.$checkMultiselectChange);
            oldSession.multiSelect.anchor.off("change", this.$checkMultiselectChange);
        }

        if (session) {
            session.multiSelect.on("addRange", this.$onAddRange);
            session.multiSelect.on("removeRange", this.$onRemoveRange);
            session.multiSelect.on("multiSelect", this.$onMultiSelect);
            session.multiSelect.on("singleSelect", this.$onSingleSelect);
            session.multiSelect.lead.on("change", this.$checkMultiselectChange);
            session.multiSelect.anchor.on("change", this.$checkMultiselectChange);
        }

        if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {
            if (session.selection.inMultiSelectMode)
                this.$onMultiSelect();
            else
                this.$onSingleSelect();
        }
    };
    function MultiSelect(editor) {
        if (editor.$multiselectOnSessionChange)
            return;
        editor.$onAddRange = editor.$onAddRange.bind(editor);
        editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);
        editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);
        editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);
        editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);
        editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);

        editor.$multiselectOnSessionChange(editor);
        editor.on("changeSession", editor.$multiselectOnSessionChange);

        editor.on("mousedown", onMouseDown);
        editor.commands.addCommands(commands.defaultCommands);

        addAltCursorListeners(editor);
    }

    function addAltCursorListeners(editor){
        if (!editor.textInput) return;
        var el = editor.textInput.getElement();
        var altCursor = false;
        event.addListener(el, "keydown", function(e) {
            var altDown = e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey);
            if (editor.$blockSelectEnabled && altDown) {
                if (!altCursor) {
                    editor.renderer.setMouseCursor("crosshair");
                    altCursor = true;
                }
            } else if (altCursor) {
                reset();
            }
        }, editor);

        event.addListener(el, "keyup", reset, editor);
        event.addListener(el, "blur", reset, editor);
        function reset(e) {
            if (altCursor) {
                editor.renderer.setMouseCursor("");
                altCursor = false;
            }
        }
    }

    exports.MultiSelect = MultiSelect;


    require("./config").defineOptions(Editor.prototype, "editor", {
        enableMultiselect: {
            set: function(val) {
                MultiSelect(this);
                if (val) {
                    this.on("changeSession", this.$multiselectOnSessionChange);
                    this.on("mousedown", onMouseDown);
                } else {
                    this.off("changeSession", this.$multiselectOnSessionChange);
                    this.off("mousedown", onMouseDown);
                }
            },
            value: true
        },
        enableBlockSelect: {
            set: function(val) {
                this.$blockSelectEnabled = val;
            },
            value: true
        }
    });



});

define("ace/mode/folding/fold_mode",["require","exports","module","ace/range"], function(require, exports, module) {
    "use strict";

    var Range = require("../../range").Range;

    var FoldMode = exports.FoldMode = function() {};

    (function() {

        this.foldingStartMarker = null;
        this.foldingStopMarker = null;
        this.getFoldWidget = function(session, foldStyle, row) {
            var line = session.getLine(row);
            if (this.foldingStartMarker.test(line))
                return "start";
            if (foldStyle == "markbeginend"
                && this.foldingStopMarker
                && this.foldingStopMarker.test(line))
                return "end";
            return "";
        };

        this.getFoldWidgetRange = function(session, foldStyle, row) {
            return null;
        };

        this.indentationBlock = function(session, row, column) {
            var re = /\S/;
            var line = session.getLine(row);
            var startLevel = line.search(re);
            if (startLevel == -1)
                return;

            var startColumn = column || line.length;
            var maxRow = session.getLength();
            var startRow = row;
            var endRow = row;

            while (++row < maxRow) {
                var level = session.getLine(row).search(re);

                if (level == -1)
                    continue;

                if (level <= startLevel) {
                    var token = session.getTokenAt(row, 0);
                    if (!token || token.type !== "string")
                        break;
                }

                endRow = row;
            }

            if (endRow > startRow) {
                var endColumn = session.getLine(endRow).length;
                return new Range(startRow, startColumn, endRow, endColumn);
            }
        };

        this.openingBracketBlock = function(session, bracket, row, column, typeRe) {
            var start = {row: row, column: column + 1};
            var end = session.$findClosingBracket(bracket, start, typeRe);
            if (!end)
                return;

            var fw = session.foldWidgets[end.row];
            if (fw == null)
                fw = session.getFoldWidget(end.row);

            if (fw == "start" && end.row > start.row) {
                end.row --;
                end.column = session.getLine(end.row).length;
            }
            return Range.fromPoints(start, end);
        };

        this.closingBracketBlock = function(session, bracket, row, column, typeRe) {
            var end = {row: row, column: column};
            var start = session.$findOpeningBracket(bracket, end);

            if (!start)
                return;

            start.column++;
            end.column--;

            return  Range.fromPoints(start, end);
        };
    }).call(FoldMode.prototype);

});

define("ace/theme/textmate",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    exports.isDark = false;
    exports.cssClass = "ace-tm";
    exports.cssText = ".ace-tm .ace_gutter {\
background: #f0f0f0;\
color: #333;\
}\
.ace-tm .ace_print-margin {\
width: 1px;\
background: #e8e8e8;\
}\
.ace-tm .ace_fold {\
background-color: #6B72E6;\
}\
.ace-tm {\
background-color: #FFFFFF;\
color: black;\
}\
.ace-tm .ace_cursor {\
color: black;\
}\
.ace-tm .ace_invisible {\
color: rgb(191, 191, 191);\
}\
.ace-tm .ace_storage,\
.ace-tm .ace_keyword {\
color: blue;\
}\
.ace-tm .ace_constant {\
color: rgb(197, 6, 11);\
}\
.ace-tm .ace_constant.ace_buildin {\
color: rgb(88, 72, 246);\
}\
.ace-tm .ace_constant.ace_language {\
color: rgb(88, 92, 246);\
}\
.ace-tm .ace_constant.ace_library {\
color: rgb(6, 150, 14);\
}\
.ace-tm .ace_invalid {\
background-color: rgba(255, 0, 0, 0.1);\
color: red;\
}\
.ace-tm .ace_support.ace_function {\
color: rgb(60, 76, 114);\
}\
.ace-tm .ace_support.ace_constant {\
color: rgb(6, 150, 14);\
}\
.ace-tm .ace_support.ace_type,\
.ace-tm .ace_support.ace_class {\
color: rgb(109, 121, 222);\
}\
.ace-tm .ace_keyword.ace_operator {\
color: rgb(104, 118, 135);\
}\
.ace-tm .ace_string {\
color: rgb(3, 106, 7);\
}\
.ace-tm .ace_comment {\
color: rgb(76, 136, 107);\
}\
.ace-tm .ace_comment.ace_doc {\
color: rgb(0, 102, 255);\
}\
.ace-tm .ace_comment.ace_doc.ace_tag {\
color: rgb(128, 159, 191);\
}\
.ace-tm .ace_constant.ace_numeric {\
color: rgb(0, 0, 205);\
}\
.ace-tm .ace_variable {\
color: rgb(49, 132, 149);\
}\
.ace-tm .ace_xml-pe {\
color: rgb(104, 104, 91);\
}\
.ace-tm .ace_entity.ace_name.ace_function {\
color: #0000A2;\
}\
.ace-tm .ace_heading {\
color: rgb(12, 7, 255);\
}\
.ace-tm .ace_list {\
color:rgb(185, 6, 144);\
}\
.ace-tm .ace_meta.ace_tag {\
color:rgb(0, 22, 142);\
}\
.ace-tm .ace_string.ace_regex {\
color: rgb(255, 0, 0)\
}\
.ace-tm .ace_marker-layer .ace_selection {\
background: rgb(181, 213, 255);\
}\
.ace-tm.ace_multiselect .ace_selection.ace_start {\
box-shadow: 0 0 3px 0px white;\
}\
.ace-tm .ace_marker-layer .ace_step {\
background: rgb(252, 255, 0);\
}\
.ace-tm .ace_marker-layer .ace_stack {\
background: rgb(164, 229, 101);\
}\
.ace-tm .ace_marker-layer .ace_bracket {\
margin: -1px 0 0 -1px;\
border: 1px solid rgb(192, 192, 192);\
}\
.ace-tm .ace_marker-layer .ace_active-line {\
background: rgba(0, 0, 0, 0.07);\
}\
.ace-tm .ace_gutter-active-line {\
background-color : #dcdcdc;\
}\
.ace-tm .ace_marker-layer .ace_selected-word {\
background: rgb(250, 250, 255);\
border: 1px solid rgb(200, 200, 250);\
}\
.ace-tm .ace_indent-guide {\
background: url(\"\") right repeat-y;\
}\
";
    exports.$id = "ace/theme/textmate";

    var dom = require("../lib/dom");
    dom.importCssString(exports.cssText, exports.cssClass, false);
});

define("ace/line_widgets",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
    "use strict";

    var dom = require("./lib/dom");

    function LineWidgets(session) {
        this.session = session;
        this.session.widgetManager = this;
        this.session.getRowLength = this.getRowLength;
        this.session.$getWidgetScreenLength = this.$getWidgetScreenLength;
        this.updateOnChange = this.updateOnChange.bind(this);
        this.renderWidgets = this.renderWidgets.bind(this);
        this.measureWidgets = this.measureWidgets.bind(this);
        this.session._changedWidgets = [];
        this.$onChangeEditor = this.$onChangeEditor.bind(this);

        this.session.on("change", this.updateOnChange);
        this.session.on("changeFold", this.updateOnFold);
        this.session.on("changeEditor", this.$onChangeEditor);
    }

    (function() {
        this.getRowLength = function(row) {
            var h;
            if (this.lineWidgets)
                h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
            else
                h = 0;
            if (!this.$useWrapMode || !this.$wrapData[row]) {
                return 1 + h;
            } else {
                return this.$wrapData[row].length + 1 + h;
            }
        };

        this.$getWidgetScreenLength = function() {
            var screenRows = 0;
            this.lineWidgets.forEach(function(w){
                if (w && w.rowCount && !w.hidden)
                    screenRows += w.rowCount;
            });
            return screenRows;
        };

        this.$onChangeEditor = function(e) {
            this.attach(e.editor);
        };

        this.attach = function(editor) {
            if (editor  && editor.widgetManager && editor.widgetManager != this)
                editor.widgetManager.detach();

            if (this.editor == editor)
                return;

            this.detach();
            this.editor = editor;

            if (editor) {
                editor.widgetManager = this;
                editor.renderer.on("beforeRender", this.measureWidgets);
                editor.renderer.on("afterRender", this.renderWidgets);
            }
        };
        this.detach = function(e) {
            var editor = this.editor;
            if (!editor)
                return;

            this.editor = null;
            editor.widgetManager = null;

            editor.renderer.off("beforeRender", this.measureWidgets);
            editor.renderer.off("afterRender", this.renderWidgets);
            var lineWidgets = this.session.lineWidgets;
            lineWidgets && lineWidgets.forEach(function(w) {
                if (w && w.el && w.el.parentNode) {
                    w._inDocument = false;
                    w.el.parentNode.removeChild(w.el);
                }
            });
        };

        this.updateOnFold = function(e, session) {
            var lineWidgets = session.lineWidgets;
            if (!lineWidgets || !e.action)
                return;
            var fold = e.data;
            var start = fold.start.row;
            var end = fold.end.row;
            var hide = e.action == "add";
            for (var i = start + 1; i < end; i++) {
                if (lineWidgets[i])
                    lineWidgets[i].hidden = hide;
            }
            if (lineWidgets[end]) {
                if (hide) {
                    if (!lineWidgets[start])
                        lineWidgets[start] = lineWidgets[end];
                    else
                        lineWidgets[end].hidden = hide;
                } else {
                    if (lineWidgets[start] == lineWidgets[end])
                        lineWidgets[start] = undefined;
                    lineWidgets[end].hidden = hide;
                }
            }
        };

        this.updateOnChange = function(delta) {
            var lineWidgets = this.session.lineWidgets;
            if (!lineWidgets) return;

            var startRow = delta.start.row;
            var len = delta.end.row - startRow;

            if (len === 0) {
            } else if (delta.action == "remove") {
                var removed = lineWidgets.splice(startRow + 1, len);
                if (!lineWidgets[startRow] && removed[removed.length - 1]) {
                    lineWidgets[startRow] = removed.pop();
                }
                removed.forEach(function(w) {
                    w && this.removeLineWidget(w);
                }, this);
                this.$updateRows();
            } else {
                var args = new Array(len);
                if (lineWidgets[startRow] && lineWidgets[startRow].column != null) {
                    if (delta.start.column > lineWidgets[startRow].column)
                        startRow++;
                }
                args.unshift(startRow, 0);
                lineWidgets.splice.apply(lineWidgets, args);
                this.$updateRows();
            }
        };

        this.$updateRows = function() {
            var lineWidgets = this.session.lineWidgets;
            if (!lineWidgets) return;
            var noWidgets = true;
            lineWidgets.forEach(function(w, i) {
                if (w) {
                    noWidgets = false;
                    w.row = i;
                    while (w.$oldWidget) {
                        w.$oldWidget.row = i;
                        w = w.$oldWidget;
                    }
                }
            });
            if (noWidgets)
                this.session.lineWidgets = null;
        };

        this.$registerLineWidget = function(w) {
            if (!this.session.lineWidgets)
                this.session.lineWidgets = new Array(this.session.getLength());

            var old = this.session.lineWidgets[w.row];
            if (old) {
                w.$oldWidget = old;
                if (old.el && old.el.parentNode) {
                    old.el.parentNode.removeChild(old.el);
                    old._inDocument = false;
                }
            }

            this.session.lineWidgets[w.row] = w;
            return w;
        };

        this.addLineWidget = function(w) {
            this.$registerLineWidget(w);
            w.session = this.session;

            if (!this.editor) return w;

            var renderer = this.editor.renderer;
            if (w.html && !w.el) {
                w.el = dom.createElement("div");
                w.el.innerHTML = w.html;
            }
            if (w.el) {
                dom.addCssClass(w.el, "ace_lineWidgetContainer");
                w.el.style.position = "absolute";
                w.el.style.zIndex = 5;
                renderer.container.appendChild(w.el);
                w._inDocument = true;

                if (!w.coverGutter) {
                    w.el.style.zIndex = 3;
                }
                if (w.pixelHeight == null) {
                    w.pixelHeight = w.el.offsetHeight;
                }
            }
            if (w.rowCount == null) {
                w.rowCount = w.pixelHeight / renderer.layerConfig.lineHeight;
            }

            var fold = this.session.getFoldAt(w.row, 0);
            w.$fold = fold;
            if (fold) {
                var lineWidgets = this.session.lineWidgets;
                if (w.row == fold.end.row && !lineWidgets[fold.start.row])
                    lineWidgets[fold.start.row] = w;
                else
                    w.hidden = true;
            }

            this.session._emit("changeFold", {data:{start:{row: w.row}}});

            this.$updateRows();
            this.renderWidgets(null, renderer);
            this.onWidgetChanged(w);
            return w;
        };

        this.removeLineWidget = function(w) {
            w._inDocument = false;
            w.session = null;
            if (w.el && w.el.parentNode)
                w.el.parentNode.removeChild(w.el);
            if (w.editor && w.editor.destroy) try {
                w.editor.destroy();
            } catch(e){}
            if (this.session.lineWidgets) {
                var w1 = this.session.lineWidgets[w.row];
                if (w1 == w) {
                    this.session.lineWidgets[w.row] = w.$oldWidget;
                    if (w.$oldWidget)
                        this.onWidgetChanged(w.$oldWidget);
                } else {
                    while (w1) {
                        if (w1.$oldWidget == w) {
                            w1.$oldWidget = w.$oldWidget;
                            break;
                        }
                        w1 = w1.$oldWidget;
                    }
                }
            }
            this.session._emit("changeFold", {data:{start:{row: w.row}}});
            this.$updateRows();
        };

        this.getWidgetsAtRow = function(row) {
            var lineWidgets = this.session.lineWidgets;
            var w = lineWidgets && lineWidgets[row];
            var list = [];
            while (w) {
                list.push(w);
                w = w.$oldWidget;
            }
            return list;
        };

        this.onWidgetChanged = function(w) {
            this.session._changedWidgets.push(w);
            this.editor && this.editor.renderer.updateFull();
        };

        this.measureWidgets = function(e, renderer) {
            var changedWidgets = this.session._changedWidgets;
            var config = renderer.layerConfig;

            if (!changedWidgets || !changedWidgets.length) return;
            var min = Infinity;
            for (var i = 0; i < changedWidgets.length; i++) {
                var w = changedWidgets[i];
                if (!w || !w.el) continue;
                if (w.session != this.session) continue;
                if (!w._inDocument) {
                    if (this.session.lineWidgets[w.row] != w)
                        continue;
                    w._inDocument = true;
                    renderer.container.appendChild(w.el);
                }

                w.h = w.el.offsetHeight;

                if (!w.fixedWidth) {
                    w.w = w.el.offsetWidth;
                    w.screenWidth = Math.ceil(w.w / config.characterWidth);
                }

                var rowCount = w.h / config.lineHeight;
                if (w.coverLine) {
                    rowCount -= this.session.getRowLineCount(w.row);
                    if (rowCount < 0)
                        rowCount = 0;
                }
                if (w.rowCount != rowCount) {
                    w.rowCount = rowCount;
                    if (w.row < min)
                        min = w.row;
                }
            }
            if (min != Infinity) {
                this.session._emit("changeFold", {data:{start:{row: min}}});
                this.session.lineWidgetWidth = null;
            }
            this.session._changedWidgets = [];
        };

        this.renderWidgets = function(e, renderer) {
            var config = renderer.layerConfig;
            var lineWidgets = this.session.lineWidgets;
            if (!lineWidgets)
                return;
            var first = Math.min(this.firstRow, config.firstRow);
            var last = Math.max(this.lastRow, config.lastRow, lineWidgets.length);

            while (first > 0 && !lineWidgets[first])
                first--;

            this.firstRow = config.firstRow;
            this.lastRow = config.lastRow;

            renderer.$cursorLayer.config = config;
            for (var i = first; i <= last; i++) {
                var w = lineWidgets[i];
                if (!w || !w.el) continue;
                if (w.hidden) {
                    w.el.style.top = -100 - (w.pixelHeight || 0) + "px";
                    continue;
                }
                if (!w._inDocument) {
                    w._inDocument = true;
                    renderer.container.appendChild(w.el);
                }
                var top = renderer.$cursorLayer.getPixelPosition({row: i, column:0}, true).top;
                if (!w.coverLine)
                    top += config.lineHeight * this.session.getRowLineCount(w.row);
                w.el.style.top = top - config.offset + "px";

                var left = w.coverGutter ? 0 : renderer.gutterWidth;
                if (!w.fixedWidth)
                    left -= renderer.scrollLeft;
                w.el.style.left = left + "px";

                if (w.fullWidth && w.screenWidth) {
                    w.el.style.minWidth = config.width + 2 * config.padding + "px";
                }

                if (w.fixedWidth) {
                    w.el.style.right = renderer.scrollBar.getWidth() + "px";
                } else {
                    w.el.style.right = "";
                }
            }
        };

    }).call(LineWidgets.prototype);


    exports.LineWidgets = LineWidgets;

});

define("ace/ext/error_marker",["require","exports","module","ace/line_widgets","ace/lib/dom","ace/range"], function(require, exports, module) {
    "use strict";
    var LineWidgets = require("../line_widgets").LineWidgets;
    var dom = require("../lib/dom");
    var Range = require("../range").Range;

    function binarySearch(array, needle, comparator) {
        var first = 0;
        var last = array.length - 1;

        while (first <= last) {
            var mid = (first + last) >> 1;
            var c = comparator(needle, array[mid]);
            if (c > 0)
                first = mid + 1;
            else if (c < 0)
                last = mid - 1;
            else
                return mid;
        }
        return -(first + 1);
    }

    function findAnnotations(session, row, dir) {
        var annotations = session.getAnnotations().sort(Range.comparePoints);
        if (!annotations.length)
            return;

        var i = binarySearch(annotations, {row: row, column: -1}, Range.comparePoints);
        if (i < 0)
            i = -i - 1;

        if (i >= annotations.length)
            i = dir > 0 ? 0 : annotations.length - 1;
        else if (i === 0 && dir < 0)
            i = annotations.length - 1;

        var annotation = annotations[i];
        if (!annotation || !dir)
            return;

        if (annotation.row === row) {
            do {
                annotation = annotations[i += dir];
            } while (annotation && annotation.row === row);
            if (!annotation)
                return annotations.slice();
        }


        var matched = [];
        row = annotation.row;
        do {
            matched[dir < 0 ? "unshift" : "push"](annotation);
            annotation = annotations[i += dir];
        } while (annotation && annotation.row == row);
        return matched.length && matched;
    }

    exports.showErrorMarker = function(editor, dir) {
        var session = editor.session;
        if (!session.widgetManager) {
            session.widgetManager = new LineWidgets(session);
            session.widgetManager.attach(editor);
        }

        var pos = editor.getCursorPosition();
        var row = pos.row;
        var oldWidget = session.widgetManager.getWidgetsAtRow(row).filter(function(w) {
            return w.type == "errorMarker";
        })[0];
        if (oldWidget) {
            oldWidget.destroy();
        } else {
            row -= dir;
        }
        var annotations = findAnnotations(session, row, dir);
        var gutterAnno;
        if (annotations) {
            var annotation = annotations[0];
            pos.column = (annotation.pos && typeof annotation.column != "number"
                ? annotation.pos.sc
                : annotation.column) || 0;
            pos.row = annotation.row;
            gutterAnno = editor.renderer.$gutterLayer.$annotations[pos.row];
        } else if (oldWidget) {
            return;
        } else {
            gutterAnno = {
                text: ["Looks good!"],
                className: "ace_ok"
            };
        }
        editor.session.unfold(pos.row);
        editor.selection.moveToPosition(pos);

        var w = {
            row: pos.row,
            fixedWidth: true,
            coverGutter: true,
            el: dom.createElement("div"),
            type: "errorMarker"
        };
        var el = w.el.appendChild(dom.createElement("div"));
        var arrow = w.el.appendChild(dom.createElement("div"));
        arrow.className = "error_widget_arrow " + gutterAnno.className;

        var left = editor.renderer.$cursorLayer
            .getPixelPosition(pos).left;
        arrow.style.left = left + editor.renderer.gutterWidth - 5 + "px";

        w.el.className = "error_widget_wrapper";
        el.className = "error_widget " + gutterAnno.className;
        el.innerHTML = gutterAnno.text.join("<br>");

        el.appendChild(dom.createElement("div"));

        var kb = function(_, hashId, keyString) {
            if (hashId === 0 && (keyString === "esc" || keyString === "return")) {
                w.destroy();
                return {command: "null"};
            }
        };

        w.destroy = function() {
            if (editor.$mouseHandler.isMousePressed)
                return;
            editor.keyBinding.removeKeyboardHandler(kb);
            session.widgetManager.removeLineWidget(w);
            editor.off("changeSelection", w.destroy);
            editor.off("changeSession", w.destroy);
            editor.off("mouseup", w.destroy);
            editor.off("change", w.destroy);
        };

        editor.keyBinding.addKeyboardHandler(kb);
        editor.on("changeSelection", w.destroy);
        editor.on("changeSession", w.destroy);
        editor.on("mouseup", w.destroy);
        editor.on("change", w.destroy);

        editor.session.widgetManager.addLineWidget(w);

        w.el.onmousedown = editor.focus.bind(editor);

        editor.renderer.scrollCursorIntoView(null, 0.5, {bottom: w.el.offsetHeight});
    };


    dom.importCssString("\
    .error_widget_wrapper {\
        background: inherit;\
        color: inherit;\
        border:none\
    }\
    .error_widget {\
        border-top: solid 2px;\
        border-bottom: solid 2px;\
        margin: 5px 0;\
        padding: 10px 40px;\
        white-space: pre-wrap;\
    }\
    .error_widget.ace_error, .error_widget_arrow.ace_error{\
        border-color: #ff5a5a\
    }\
    .error_widget.ace_warning, .error_widget_arrow.ace_warning{\
        border-color: #F1D817\
    }\
    .error_widget.ace_info, .error_widget_arrow.ace_info{\
        border-color: #5a5a5a\
    }\
    .error_widget.ace_ok, .error_widget_arrow.ace_ok{\
        border-color: #5aaa5a\
    }\
    .error_widget_arrow {\
        position: absolute;\
        border: solid 5px;\
        border-top-color: transparent!important;\
        border-right-color: transparent!important;\
        border-left-color: transparent!important;\
        top: -5px;\
    }\
", "error_marker.css", false);

});

define("ace/ace",["require","exports","module","ace/lib/fixoldbrowsers","ace/lib/dom","ace/lib/event","ace/range","ace/editor","ace/edit_session","ace/undomanager","ace/virtual_renderer","ace/worker/worker_client","ace/keyboard/hash_handler","ace/placeholder","ace/multi_select","ace/mode/folding/fold_mode","ace/theme/textmate","ace/ext/error_marker","ace/config"], function(require, exports, module) {
    "use strict";

    require("./lib/fixoldbrowsers");

    var dom = require("./lib/dom");
    var event = require("./lib/event");

    var Range = require("./range").Range;
    var Editor = require("./editor").Editor;
    var EditSession = require("./edit_session").EditSession;
    var UndoManager = require("./undomanager").UndoManager;
    var Renderer = require("./virtual_renderer").VirtualRenderer;
    require("./worker/worker_client");
    require("./keyboard/hash_handler");
    require("./placeholder");
    require("./multi_select");
    require("./mode/folding/fold_mode");
    require("./theme/textmate");
    require("./ext/error_marker");

    exports.config = require("./config");
    exports.require = require;

    if (typeof define === "function")
        exports.define = define;
    exports.edit = function(el, options) {
        if (typeof el == "string") {
            var _id = el;
            el = document.getElementById(_id);
            if (!el)
                throw new Error("ace.edit can't find div #" + _id);
        }

        if (el && el.env && el.env.editor instanceof Editor)
            return el.env.editor;

        var value = "";
        if (el && /input|textarea/i.test(el.tagName)) {
            var oldNode = el;
            value = oldNode.value;
            el = dom.createElement("pre");
            oldNode.parentNode.replaceChild(el, oldNode);
        } else if (el) {
            value = el.textContent;
            el.innerHTML = "";
        }

        var doc = exports.createEditSession(value);

        var editor = new Editor(new Renderer(el), doc, options);

        var env = {
            document: doc,
            editor: editor,
            onResize: editor.resize.bind(editor, null)
        };
        if (oldNode) env.textarea = oldNode;
        event.addListener(window, "resize", env.onResize);
        editor.on("destroy", function() {
            event.removeListener(window, "resize", env.onResize);
            env.editor.container.env = null; // prevent memory leak on old ie
        });
        editor.container.env = editor.env = env;
        return editor;
    };
    exports.createEditSession = function(text, mode) {
        var doc = new EditSession(text, mode);
        doc.setUndoManager(new UndoManager());
        return doc;
    };
    exports.Range = Range;
    exports.Editor = Editor;
    exports.EditSession = EditSession;
    exports.UndoManager = UndoManager;
    exports.VirtualRenderer = Renderer;
    exports.version = exports.config.version;
});            (function() {
    window.require(["ace/ace"], function(a) {
        if (a) {
            a.config.init(true);
            a.define = window.define;
        }
        if (!window.ace)
            window.ace = a;
        for (var key in a) if (a.hasOwnProperty(key))
            window.ace[key] = a[key];
        window.ace["default"] = window.ace;
        if (typeof module == "object" && typeof exports == "object" && module) {
            module.exports = window.ace;
        }
    });
})();
